74015864 has 16 divisors (see below), whose sum is σ = 149455320. Its totient is φ = 34161120.

The previous prime is 74015813. The next prime is 74015881. The reversal of 74015864 is 46851047.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355742 + ... + 355949.

Almost surely, 2^74015864 is an apocalyptic number.

It is an amenable number.

74015864 is an abundant number, since it is smaller than the sum of its proper divisors (75439456).

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

74015864 is a wasteful number, since it uses less digits than its factorization.

74015864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711710 (or 711706 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 74015864 is about 8603.2472939001. The cubic root of 74015864 is about 419.8636443226.

The spelling of 74015864 in words is "seventy-four million, fifteen thousand, eight hundred sixty-four".