68565312 has 56 divisors (see below), whose sum is σ = 201574400. Its totient is φ = 22854528.

The previous prime is 68565311. The next prime is 68565313. The reversal of 68565312 is 21356586.

68565312 is a `hidden beast` number, since 68 + 565 + 31 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (68565311) and next prime (68565313).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68565311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18112 + ... + 21567.

Almost surely, 2^68565312 is an apocalyptic number.

It is an amenable number.

68565312 is an abundant number, since it is smaller than the sum of its proper divisors (133009088).

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

68565312 is a wasteful number, since it uses less digits than its factorization.

68565312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39700 (or 39684 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 68565312 is about 8280.4173807846. The cubic root of 68565312 is about 409.2934728545.

The spelling of 68565312 in words is "sixty-eight million, five hundred sixty-five thousand, three hundred twelve".