64700464 has 20 divisors (see below), whose sum is σ = 125488000. Its totient is φ = 32316480.

The previous prime is 64700459. The next prime is 64700473. The reversal of 64700464 is 46400746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22162 + ... + 24910.

It is an arithmetic number, because the mean of its divisors is an integer number (6274400).

Almost surely, 2^64700464 is an apocalyptic number.

It is an amenable number.

64700464 is a deficient number, since it is larger than the sum of its proper divisors (60787536).

64700464 is a wasteful number, since it uses less digits than its factorization.

64700464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228 (or 4222 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 64700464 is about 8043.6598635198. The cubic root of 64700464 is about 401.4540082459.

The spelling of 64700464 in words is "sixty-four million, seven hundred thousand, four hundred sixty-four".