632657172 has 48 divisors (see below), whose sum is σ = 1694568960. Its totient is φ = 179957472.

The previous prime is 632657171. The next prime is 632657173. The reversal of 632657172 is 271756236.

It is an interprime number because it is at equal distance from previous prime (632657171) and next prime (632657173).

It is a self number, because there is not a number n which added to its sum of digits gives 632657172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632657171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2479 + ... + 35657.

It is an arithmetic number, because the mean of its divisors is an integer number (35303520).

Almost surely, 2^632657172 is an apocalyptic number.

It is an amenable number.

632657172 is an abundant number, since it is smaller than the sum of its proper divisors (1061911788).

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

632657172 is a wasteful number, since it uses less digits than its factorization.

632657172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33420 (or 33418 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 632657172 is about 25152.6772332489. The cubic root of 632657172 is about 858.4654317525.

The spelling of 632657172 in words is "six hundred thirty-two million, six hundred fifty-seven thousand, one hundred seventy-two".