312637672 has 16 divisors (see below), whose sum is σ = 597256740. Its totient is φ = 153369216.

The previous prime is 312637607. The next prime is 312637727. The reversal of 312637672 is 276736213.

312637672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 269156836 + 43480836 = 16406^2 + 6594^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368253 + ... + 369100.

Almost surely, 2^312637672 is an apocalyptic number.

It is an amenable number.

312637672 is a deficient number, since it is larger than the sum of its proper divisors (284619068).

312637672 is a wasteful number, since it uses less digits than its factorization.

312637672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737412 (or 737408 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 312637672 is about 17681.5630530788. The cubic root of 312637672 is about 678.7040426655.

The spelling of 312637672 in words is "three hundred twelve million, six hundred thirty-seven thousand, six hundred seventy-two".