← 69999 70000 70001 →
List of numbers Integers ←010k20k30k40k50k60k70k80k90k→
Cardinal	seventy thousand
Ordinal	70000th (seventy thousandth)
Factorization	24 × 54 × 7
Greek numeral	${\displaystyle \stackrel{\zeta }{\mathrm{M}}}$
Roman numeral	LXX,lxx
Binary	100010001011100002
Ternary	101200001213
Senary	13000246
Octal	2105608
Duodecimal	3461412
Hexadecimal	1117016

70,000 (seventy thousand) is thenatural number that comes after69,999 and before 70,001. It is a round number.

• 70030 = largest number of digits ofπ that have been recited from memory

• 71656 = pentagonal pyramidal number

• 72771 = 3 x 127 x 191, is asphenic number,^[1]triangular number,^[2] andhexagonal number.^[3]

• 73296 = is the smallest numbern, for whichn−3,n−2,n−1,n+1,n+2,n+3 are allSphenic number.
• 73440 = 15 × 16 × 17 × 18 (can also be written as18! ÷ 14! or⁠18!/14!⁠)
• 73712 = number ofn-Queens Problem solutions forn = 13
• 73728 = 3-smooth number

• 74088 = 42³ = 2³ * 3³ * 7³
• 74353 = Friedman prime
• 74897 = Friedman prime

• 75025 = Fibonacci number,^[4] Markov number^[5]
• 75175 = number of partitions of 44^[6]
• 75361 = Carmichael number^[7]

• 76084 = amicable number with 63020
• 76424 = tetranacci number^[8]

• 77777 = repdigit
• 77778 = Kaprekar number^[9]

• 78125 = 5⁷
• 78163 = Friedman prime
• 78498 = the number of primes under 1,000,000
• 78557 = conjectured to be the smallestSierpiński number
• 78732 = 3-smooth number

• 79507 = 43³

There are 902 prime numbers between 70000 and 80000.

• Integers

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