725625492 has 24 divisors (see below), whose sum is σ = 1694940576. Its totient is φ = 241615968.

The previous prime is 725625479. The next prime is 725625493. The reversal of 725625492 is 294526527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725625493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20563 + ... + 43290.

It is an arithmetic number, because the mean of its divisors is an integer number (70622524).

Almost surely, 2^725625492 is an apocalyptic number.

It is an amenable number.

725625492 is an abundant number, since it is smaller than the sum of its proper divisors (969315084).

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

725625492 is a wasteful number, since it uses less digits than its factorization.

725625492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64807 (or 64805 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 725625492 is about 26937.4366263756. The cubic root of 725625492 is about 898.6091653307.

The spelling of 725625492 in words is "seven hundred twenty-five million, six hundred twenty-five thousand, four hundred ninety-two".