64964608 has 24 divisors (see below), whose sum is σ = 129901590. Its totient is φ = 32481280.

The previous prime is 64964597. The next prime is 64964651. The reversal of 64964608 is 80646946.

It can be written as a sum of positive squares in only one way, i.e., 64513024 + 451584 = 8032^2 + 672^2 .

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 as a sum of consecutive naturals, namely, 13813 + ... + 17908.

Almost surely, 2^64964608 is an apocalyptic number.

It is an amenable number.

64964608 is a deficient number, since it is larger than the sum of its proper divisors (64936982).

64964608 is an equidigital number, since it uses as much as digits as its factorization.

64964608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31743 (or 31723 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 64964608 is about 8060.0625307748. The cubic root of 64964608 is about 401.9995874685. Note that the first 3 decimals are identical.

The spelling of 64964608 in words is "sixty-four million, nine hundred sixty-four thousand, six hundred eight".