64706464 has 12 divisors (see below), whose sum is σ = 127390914. Its totient is φ = 32353216.

The previous prime is 64706459. The next prime is 64706483. The reversal of 64706464 is 46460746.

It can be written as a sum of positive squares in only one way, i.e., 56250000 + 8456464 = 7500^2 + 2908^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011007 + ... + 1011070.

Almost surely, 2^64706464 is an apocalyptic number.

It is an amenable number.

64706464 is a deficient number, since it is larger than the sum of its proper divisors (62684450).

64706464 is a wasteful number, since it uses less digits than its factorization.

64706464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022087 (or 2022079 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 64706464 is about 8044.0328194258. The cubic root of 64706464 is about 401.4664174799.

The spelling of 64706464 in words is "sixty-four million, seven hundred six thousand, four hundred sixty-four".