64956968 has 24 divisors (see below), whose sum is σ = 127328250. Its totient is φ = 31064352.

The previous prime is 64956943. The next prime is 64956973. The reversal of 64956968 is 86965946.

It can be written as a sum of positive squares in only one way, i.e., 59013124 + 5943844 = 7682^2 + 2438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3443 + ... + 11906.

Almost surely, 2^64956968 is an apocalyptic number.

It is an amenable number.

64956968 is a deficient number, since it is larger than the sum of its proper divisors (62371282).

64956968 is a wasteful number, since it uses less digits than its factorization.

64956968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15401 (or 15374 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The square root of 64956968 is about 8059.5885751073. The cubic root of 64956968 is about 401.9838281326.

The spelling of 64956968 in words is "sixty-four million, nine hundred fifty-six thousand, nine hundred sixty-eight".