64874732 has 12 divisors (see below), whose sum is σ = 122264016. Its totient is φ = 29942160.

The previous prime is 64874713. The next prime is 64874741. The reversal of 64874732 is 23747846.

It is a self number, because there is not a number n which added to its sum of digits gives 64874732.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623744 + ... + 623847.

It is an arithmetic number, because the mean of its divisors is an integer number (10188668).

Almost surely, 2^64874732 is an apocalyptic number.

It is an amenable number.

64874732 is a deficient number, since it is larger than the sum of its proper divisors (57389284).

64874732 is a wasteful number, since it uses less digits than its factorization.

64874732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247608 (or 1247606 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 64874732 is about 8054.4852101174. The cubic root of 64874732 is about 401.8141183319.

The spelling of 64874732 in words is "sixty-four million, eight hundred seventy-four thousand, seven hundred thirty-two".