74918568960 has 132 divisors (see below), whose sum is σ = 259591050108. Its totient is φ = 19978272768.

The previous prime is 74918568953. The next prime is 74918569007. The reversal of 74918568960 is 6986581947.

74918568960 is a `hidden beast` number, since 7 + 4 + 9 + 1 + 8 + 568 + 9 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39261044736 + 35657524224 = 198144^2 + 188832^2 .

It is a super-2 number, since 2×74918568960² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766839 + ... + 858998.

Almost surely, 2^74918568960 is an apocalyptic number.

It is an amenable number.

74918568960 is an abundant number, since it is smaller than the sum of its proper divisors (184672481148).

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

74918568960 is a wasteful number, since it uses less digits than its factorization.

74918568960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625868 (or 1625847 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 74918568960 in words is "seventy-four billion, nine hundred eighteen million, five hundred sixty-eight thousand, nine hundred sixty".