636674704 has 20 divisors (see below), whose sum is σ = 1235635200. Its totient is φ = 317801120.

The previous prime is 636674699. The next prime is 636674711. The reversal of 636674704 is 407476636.

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, 23632 + ... + 42799.

It is an arithmetic number, because the mean of its divisors is an integer number (61781760).

Almost surely, 2^636674704 is an apocalyptic number.

It is an amenable number.

636674704 is a deficient number, since it is larger than the sum of its proper divisors (598960496).

636674704 is a wasteful number, since it uses less digits than its factorization.

636674704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67038 (or 67032 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 636674704 is about 25232.4137569120. The cubic root of 636674704 is about 860.2787558590.

The spelling of 636674704 in words is "six hundred thirty-six million, six hundred seventy-four thousand, seven hundred four".