74902931864 has 32 divisors (see below), whose sum is σ = 145323882000. Its totient is φ = 36169469952.

The previous prime is 74902931863. The next prime is 74902931897. The reversal of 74902931864 is 46813920947.

It is a super-2 number, since 2×74902931864² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74902931863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192649 + ... + 1253880.

Almost surely, 2^74902931864 is an apocalyptic number.

It is an amenable number.

74902931864 is a deficient number, since it is larger than the sum of its proper divisors (70420950136).

74902931864 is a wasteful number, since it uses less digits than its factorization.

74902931864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446667 (or 2446663 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 74902931864 in words is "seventy-four billion, nine hundred two million, nine hundred thirty-one thousand, eight hundred sixty-four".