68655264 has 24 divisors (see below), whose sum is σ = 180220320. Its totient is φ = 22885056.

The previous prime is 68655229. The next prime is 68655289. The reversal of 68655264 is 46255686.

It is a tau number, because it is divible by the number of its divisors (24).

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, 357484 + ... + 357675.

It is an arithmetic number, because the mean of its divisors is an integer number (7509180).

Almost surely, 2^68655264 is an apocalyptic number.

It is an amenable number.

68655264 is an abundant number, since it is smaller than the sum of its proper divisors (111565056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68655264 is a wasteful number, since it uses less digits than its factorization.

68655264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715172 (or 715164 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 68655264 is about 8285.8472107564. The cubic root of 68655264 is about 409.4723809979.

The spelling of 68655264 in words is "sixty-eight million, six hundred fifty-five thousand, two hundred sixty-four".