312472664 has 32 divisors (see below), whose sum is σ = 698699520. Its totient is φ = 128093856.

The previous prime is 312472649. The next prime is 312472669. The reversal of 312472664 is 466274213.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312472669) 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, 120014 + ... + 122589.

It is an arithmetic number, because the mean of its divisors is an integer number (21834360).

Almost surely, 2^312472664 is an apocalyptic number.

It is an amenable number.

312472664 is an abundant number, since it is smaller than the sum of its proper divisors (386226856).

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

312472664 is a wasteful number, since it uses less digits than its factorization.

312472664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242639 (or 242635 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 312472664 is about 17676.8963339156. The cubic root of 312472664 is about 678.5846165531.

The spelling of 312472664 in words is "three hundred twelve million, four hundred seventy-two thousand, six hundred sixty-four".