634972 has 12 divisors (see below), whose sum is σ = 1196776. Its totient is φ = 293040.

The previous prime is 634969. The next prime is 634979. The reversal of 634972 is 279436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634979) 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, 6054 + ... + 6157.

2⁶³⁴⁹⁷² is an apocalyptic number.

It is an amenable number.

634972 is a deficient number, since it is larger than the sum of its proper divisors (561804).

634972 is a wasteful number, since it uses less digits than its factorization.

634972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228 (or 12226 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 634972 is about 796.8513035692. The cubic root of 634972 is about 85.9511169827.

It can be divided in two parts, 63 and 4972, that multiplied together give a triangular number (313236 = T₇₉₁).

The spelling of 634972 in words is "six hundred thirty-four thousand, nine hundred seventy-two".