631372 has 12 divisors (see below), whose sum is σ = 1262800. Its totient is φ = 270576.

The previous prime is 631361. The next prime is 631387. The reversal of 631372 is 273136.

631372 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

631372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11247 + ... + 11302.

2⁶³¹³⁷² is an apocalyptic number.

It is an amenable number.

631372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

631372 is a wasteful number, since it uses less digits than its factorization.

631372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22560 (or 22558 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 631372 is about 794.5892020409. The cubic root of 631372 is about 85.7883745657.

It can be divided in two parts, 63 and 1372, that multiplied together give a square (86436 = 294²).

The spelling of 631372 in words is "six hundred thirty-one thousand, three hundred seventy-two".