725075408 has 20 divisors (see below), whose sum is σ = 1407856320. Its totient is φ = 361757664.

The previous prime is 725075339. The next prime is 725075411. The reversal of 725075408 is 804570527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41048 + ... + 55991.

It is an arithmetic number, because the mean of its divisors is an integer number (70392816).

Almost surely, 2^725075408 is an apocalyptic number.

It is an amenable number.

725075408 is a deficient number, since it is larger than the sum of its proper divisors (682780912).

725075408 is a wasteful number, since it uses less digits than its factorization.

725075408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97514 (or 97508 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 725075408 is about 26927.2242906691. The cubic root of 725075408 is about 898.3820346269.

The spelling of 725075408 in words is "seven hundred twenty-five million, seventy-five thousand, four hundred eight".