625642732 has 36 divisors (see below), whose sum is σ = 1293369336. Its totient is φ = 262504320.

The previous prime is 625642729. The next prime is 625642747. The reversal of 625642732 is 237246526.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 625642691 and 625642700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34633 + ... + 49504.

It is an arithmetic number, because the mean of its divisors is an integer number (35926926).

Almost surely, 2^625642732 is an apocalyptic number.

It is an amenable number.

625642732 is an abundant number, since it is smaller than the sum of its proper divisors (667726604).

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

625642732 is a wasteful number, since it uses less digits than its factorization.

625642732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84178 (or 84163 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 625642732 is about 25012.8513368628. The cubic root of 625642732 is about 855.2809545995.

The spelling of 625642732 in words is "six hundred twenty-five million, six hundred forty-two thousand, seven hundred thirty-two".