725969232 has 60 divisors (see below), whose sum is σ = 2059566964. Its totient is φ = 238671360.

The previous prime is 725969221. The next prime is 725969239. The reversal of 725969232 is 232969527.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 444535056 + 281434176 = 21084^2 + 16776^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725969239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24019 + ... + 45042.

Almost surely, 2^725969232 is an apocalyptic number.

725969232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

725969232 is an abundant number, since it is smaller than the sum of its proper divisors (1333597732).

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

725969232 is a wasteful number, since it uses less digits than its factorization.

725969232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69148 (or 69139 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 725969232 is about 26943.8162107746. The cubic root of 725969232 is about 898.7510379430.

The spelling of 725969232 in words is "seven hundred twenty-five million, nine hundred sixty-nine thousand, two hundred thirty-two".