725934132 has 72 divisors (see below), whose sum is σ = 2287801152. Its totient is φ = 188553600.

The previous prime is 725934071. The next prime is 725934149. The reversal of 725934132 is 231439527.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128169 + ... + 133712.

It is an arithmetic number, because the mean of its divisors is an integer number (31775016).

Almost surely, 2^725934132 is an apocalyptic number.

It is an amenable number.

725934132 is an abundant number, since it is smaller than the sum of its proper divisors (1561867020).

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

725934132 is a wasteful number, since it uses less digits than its factorization.

725934132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261909 (or 261904 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 725934132 is about 26943.1648475082. The cubic root of 725934132 is about 898.7365530914.

The spelling of 725934132 in words is "seven hundred twenty-five million, nine hundred thirty-four thousand, one hundred thirty-two".