631472 has 20 divisors (see below), whose sum is σ = 1245456. Its totient is φ = 310080.

The previous prime is 631471. The next prime is 631483. The reversal of 631472 is 274136.

It is not an unprimeable number, because it can be changed into a prime (631471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653 + ... + 1299.

2⁶³¹⁴⁷² is an apocalyptic number.

It is an amenable number.

631472 is a deficient number, since it is larger than the sum of its proper divisors (613984).

631472 is a wasteful number, since it uses less digits than its factorization.

631472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 710 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 631472 is about 794.6521251466. The cubic root of 631472 is about 85.7929035305.

The spelling of 631472 in words is "six hundred thirty-one thousand, four hundred seventy-two".