64716976 has 10 divisors (see below), whose sum is σ = 125389172. Its totient is φ = 32358480.

The previous prime is 64716947. The next prime is 64716991. The reversal of 64716976 is 67961746.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022390 + ... + 2022421.

Almost surely, 2^64716976 is an apocalyptic number.

It is an amenable number.

64716976 is a deficient number, since it is larger than the sum of its proper divisors (60672196).

64716976 is a wasteful number, since it uses less digits than its factorization.

64716976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044819 (or 4044813 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 64716976 is about 8044.6861964902. The cubic root of 64716976 is about 401.4881566088.

The spelling of 64716976 in words is "sixty-four million, seven hundred sixteen thousand, nine hundred seventy-six".