64904132 has 12 divisors (see below), whose sum is σ = 113648640. Its totient is φ = 32433096.

The previous prime is 64904131. The next prime is 64904207. The reversal of 64904132 is 23140946.

It is a junction number, because it is equal to n+sod(n) for n = 64904095 and 64904104.

It is not an unprimeable number, because it can be changed into a prime (64904131) 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, 5333 + ... + 12579.

It is an arithmetic number, because the mean of its divisors is an integer number (9470720).

Almost surely, 2^64904132 is an apocalyptic number.

It is an amenable number.

64904132 is a deficient number, since it is larger than the sum of its proper divisors (48744508).

64904132 is a wasteful number, since it uses less digits than its factorization.

64904132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9490 (or 9488 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 64904132 is about 8056.3100734766. The cubic root of 64904132 is about 401.8748073482.

The spelling of 64904132 in words is "sixty-four million, nine hundred four thousand, one hundred thirty-two".