64908968 has 16 divisors (see below), whose sum is σ = 123768000. Its totient is φ = 31904176.

The previous prime is 64908937. The next prime is 64908971. The reversal of 64908968 is 86980946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68288 + ... + 69231.

It is an arithmetic number, because the mean of its divisors is an integer number (7735500).

Almost surely, 2^64908968 is an apocalyptic number.

It is an amenable number.

64908968 is a deficient number, since it is larger than the sum of its proper divisors (58859032).

64908968 is a wasteful number, since it uses less digits than its factorization.

64908968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137584 (or 137580 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 64908968 is about 8056.6102052911. The cubic root of 64908968 is about 401.8847883167.

The spelling of 64908968 in words is "sixty-four million, nine hundred eight thousand, nine hundred sixty-eight".