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74969082072 = 23325926367103
BaseRepresentation
bin100010111010010000…
…0010110100011011000
321011111201112222000100
41011310200112203120
52212014041111242
654235035335400
75262542453253
oct1056440264330
9234451488010
1074969082072
1129881101a75
1212642bb1560
1370b9a6c4c1
1438b294a09a
151e3b9ab54c
hex11748168d8

74969082072 has 96 divisors (see below), whose sum is σ = 207270835200. Its totient is φ = 24472367808.

The previous prime is 74969082031. The next prime is 74969082073. The reversal of 74969082072 is 27028096947.

74969082072 is a `hidden beast` number, since 7 + 496 + 9 + 0 + 82 + 0 + 72 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74969082073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1083673 + ... + 1150775.

It is an arithmetic number, because the mean of its divisors is an integer number (2159071200).

Almost surely, 274969082072 is an apocalyptic number.

74969082072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74969082072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103635417600).

74969082072 is an abundant number, since it is smaller than the sum of its proper divisors (132301753128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74969082072 is a wasteful number, since it uses less digits than its factorization.

74969082072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67437 (or 67430 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 74969082072 in words is "seventy-four billion, nine hundred sixty-nine million, eighty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 59 72 118 177 236 263 354 472 526 531 708 789 1052 1062 1416 1578 2104 2124 2367 3156 4248 4734 6312 9468 15517 18936 31034 46551 62068 67103 93102 124136 134206 139653 186204 201309 268412 279306 372408 402618 536824 558612 603927 805236 1117224 1207854 1610472 2415708 3959077 4831416 7918154 11877231 15836308 17648089 23754462 31672616 35296178 35631693 47508924 52944267 70592356 71263386 95017848 105888534 141184712 142526772 158832801 211777068 285053544 317665602 423554136 635331204 1041237251 1270662408 2082474502 3123711753 4164949004 6247423506 8329898008 9371135259 12494847012 18742270518 24989694024 37484541036 74969082072