725033688 has 16 divisors (see below), whose sum is σ = 1812584280. Its totient is φ = 241677888.

The previous prime is 725033681. The next prime is 725033689. The reversal of 725033688 is 886330527.

725033688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725033681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15104845 + ... + 15104892.

Almost surely, 2^725033688 is an apocalyptic number.

It is an amenable number.

725033688 is an abundant number, since it is smaller than the sum of its proper divisors (1087550592).

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

725033688 is a wasteful number, since it uses less digits than its factorization.

725033688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30209746 (or 30209742 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 725033688 is about 26926.4495988610. The cubic root of 725033688 is about 898.3648036755.

The spelling of 725033688 in words is "seven hundred twenty-five million, thirty-three thousand, six hundred eighty-eight".