74668688 has 20 divisors (see below), whose sum is σ = 144835968. Its totient is φ = 37291680.

The previous prime is 74668687. The next prime is 74668691. The reversal of 74668688 is 88686647.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74668687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15533 + ... + 19763.

Almost surely, 2^74668688 is an apocalyptic number.

It is an amenable number.

74668688 is a deficient number, since it is larger than the sum of its proper divisors (70167280).

74668688 is a wasteful number, since it uses less digits than its factorization.

74668688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342 (or 5336 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The square root of 74668688 is about 8641.1045590248. The cubic root of 74668688 is about 421.0944396512.

The spelling of 74668688 in words is "seventy-four million, six hundred sixty-eight thousand, six hundred eighty-eight".