64707964 has 6 divisors (see below), whose sum is σ = 113238944. Its totient is φ = 32353980.

The previous prime is 64707949. The next prime is 64707971. The reversal of 64707964 is 46970746.

It is a self number, because there is not a number n which added to its sum of digits gives 64707964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8088492 + ... + 8088499.

Almost surely, 2^64707964 is an apocalyptic number.

It is an amenable number.

64707964 is a deficient number, since it is larger than the sum of its proper divisors (48530980).

64707964 is a wasteful number, since it uses less digits than its factorization.

64707964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16176995 (or 16176993 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 64707964 is about 8044.1260557005. The cubic root of 64707964 is about 401.4695196686.

The spelling of 64707964 in words is "sixty-four million, seven hundred seven thousand, nine hundred sixty-four".