64680368 has 10 divisors (see below), whose sum is σ = 125318244. Its totient is φ = 32340176.

The previous prime is 64680349. The next prime is 64680437. The reversal of 64680368 is 86308646.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021246 + ... + 2021277.

Almost surely, 2^64680368 is an apocalyptic number.

It is an amenable number.

64680368 is a deficient number, since it is larger than the sum of its proper divisors (60637876).

64680368 is a wasteful number, since it uses less digits than its factorization.

64680368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042531 (or 4042525 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 64680368 is about 8042.4105838983. The cubic root of 64680368 is about 401.4124399961.

The spelling of 64680368 in words is "sixty-four million, six hundred eighty thousand, three hundred sixty-eight".