725224024 has 16 divisors (see below), whose sum is σ = 1554051600. Its totient is φ = 310810272.

The previous prime is 725223997. The next prime is 725224043. The reversal of 725224024 is 420422527.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 725223983 and 725224001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6475159 + ... + 6475270.

It is an arithmetic number, because the mean of its divisors is an integer number (97128225).

Almost surely, 2^725224024 is an apocalyptic number.

It is an amenable number.

725224024 is an abundant number, since it is smaller than the sum of its proper divisors (828827576).

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

725224024 is a wasteful number, since it uses less digits than its factorization.

725224024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12950442 (or 12950438 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 725224024 is about 26929.9837356059. The cubic root of 725224024 is about 898.4434097712.

The spelling of 725224024 in words is "seven hundred twenty-five million, two hundred twenty-four thousand, twenty-four".