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74699268 = 22371078311
BaseRepresentation
bin1000111001111…
…01001000000100
312012120010010120
410130331020010
5123110334033
611225021540
71564635060
oct434751004
9165503116
1074699268
1139190736
12210248b0
1312625767
149cc6aa0
1568581b3
hex473d204

74699268 has 48 divisors (see below), whose sum is σ = 201083904. Its totient is φ = 21140640.

The previous prime is 74699249. The next prime is 74699291. The reversal of 74699268 is 86299647.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 74699268.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4833 + ... + 13143.

It is an arithmetic number, because the mean of its divisors is an integer number (4189248).

Almost surely, 274699268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74699268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100541952).

74699268 is an abundant number, since it is smaller than the sum of its proper divisors (126384636).

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

74699268 is a wasteful number, since it uses less digits than its factorization.

74699268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432 (or 8430 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 74699268 is about 8642.8738276108. The cubic root of 74699268 is about 421.1519171598.

The spelling of 74699268 in words is "seventy-four million, six hundred ninety-nine thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 107 214 321 428 642 749 1284 1498 2247 2996 4494 8311 8988 16622 24933 33244 49866 58177 99732 116354 174531 232708 349062 698124 889277 1778554 2667831 3557108 5335662 6224939 10671324 12449878 18674817 24899756 37349634 74699268