74859864 has 16 divisors (see below), whose sum is σ = 187149720. Its totient is φ = 24953280.

The previous prime is 74859859. The next prime is 74859881. The reversal of 74859864 is 46895847.

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, 1559557 + ... + 1559604.

Almost surely, 2^74859864 is an apocalyptic number.

It is an amenable number.

74859864 is an abundant number, since it is smaller than the sum of its proper divisors (112289856).

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

74859864 is a wasteful number, since it uses less digits than its factorization.

74859864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119170 (or 3119166 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 74859864 is about 8652.1594992233. The cubic root of 74859864 is about 421.4535127138.

The spelling of 74859864 in words is "seventy-four million, eight hundred fifty-nine thousand, eight hundred sixty-four".