725662004 has 24 divisors (see below), whose sum is σ = 1294211520. Its totient is φ = 355913984.

The previous prime is 725662001. The next prime is 725662013. The reversal of 725662004 is 400266527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725662001) 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 7 ways as a sum of consecutive naturals, for example, 115652 + ... + 121764.

It is an arithmetic number, because the mean of its divisors is an integer number (53925480).

Almost surely, 2^725662004 is an apocalyptic number.

It is an amenable number.

725662004 is a deficient number, since it is larger than the sum of its proper divisors (568549516).

725662004 is a wasteful number, since it uses less digits than its factorization.

725662004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679 (or 6677 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 725662004 is about 26938.1143363822. The cubic root of 725662004 is about 898.6242371402.

The spelling of 725662004 in words is "seven hundred twenty-five million, six hundred sixty-two thousand, four".