64904764 has 6 divisors (see below), whose sum is σ = 113583344. Its totient is φ = 32452380.

The previous prime is 64904761. The next prime is 64904821. The reversal of 64904764 is 46740946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64904761) by changing a digit.

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 as a sum of consecutive naturals, namely, 8113092 + ... + 8113099.

Almost surely, 2^64904764 is an apocalyptic number.

It is an amenable number.

64904764 is a deficient number, since it is larger than the sum of its proper divisors (48678580).

64904764 is a wasteful number, since it uses less digits than its factorization.

64904764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16226195 (or 16226193 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 64904764 is about 8056.3492972934. The cubic root of 64904764 is about 401.8761117544.

The spelling of 64904764 in words is "sixty-four million, nine hundred four thousand, seven hundred sixty-four".