74866636 has 12 divisors (see below), whose sum is σ = 141094912. Its totient is φ = 34553808.

The previous prime is 74866613. The next prime is 74866639. The reversal of 74866636 is 63666847.

It is not an unprimeable number, because it can be changed into a prime (74866639) 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, 719820 + ... + 719923.

Almost surely, 2^74866636 is an apocalyptic number.

It is an amenable number.

74866636 is a deficient number, since it is larger than the sum of its proper divisors (66228276).

74866636 is a wasteful number, since it uses less digits than its factorization.

74866636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439760 (or 1439758 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 74866636 is about 8652.5508377588. The cubic root of 74866636 is about 421.4662208905.

The spelling of 74866636 in words is "seventy-four million, eight hundred sixty-six thousand, six hundred thirty-six".