64595968 has 24 divisors (see below), whose sum is σ = 129164490. Its totient is φ = 32296960.

The previous prime is 64595959. The next prime is 64595977. The reversal of 64595968 is 86959546.

It is an interprime number because it is at equal distance from previous prime (64595959) and next prime (64595977).

It can be written as a sum of positive squares in only one way, i.e., 64513024 + 82944 = 8032^2 + 288^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13723 + ... + 17818.

Almost surely, 2^64595968 is an apocalyptic number.

It is an amenable number.

64595968 is a deficient number, since it is larger than the sum of its proper divisors (64568522).

64595968 is an equidigital number, since it uses as much as digits as its factorization.

64595968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31563 (or 31543 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The square root of 64595968 is about 8037.1616880588. The cubic root of 64595968 is about 401.2377658883.

The spelling of 64595968 in words is "sixty-four million, five hundred ninety-five thousand, nine hundred sixty-eight".