68656304 has 20 divisors (see below), whose sum is σ = 136267320. Its totient is φ = 33490560.

The previous prime is 68656297. The next prime is 68656339. The reversal of 68656304 is 40365686.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 51674 + ... + 52985.

It is an arithmetic number, because the mean of its divisors is an integer number (6813366).

Almost surely, 2^68656304 is an apocalyptic number.

It is an amenable number.

68656304 is a deficient number, since it is larger than the sum of its proper divisors (67611016).

68656304 is a wasteful number, since it uses less digits than its factorization.

68656304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104708 (or 104702 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 68656304 is about 8285.9099681326. The cubic root of 68656304 is about 409.4744485700.

The spelling of 68656304 in words is "sixty-eight million, six hundred fifty-six thousand, three hundred four".