725260790 has 32 divisors (see below), whose sum is σ = 1340871840. Its totient is φ = 282288384.

The previous prime is 725260777. The next prime is 725260829. The reversal of 725260790 is 97062527.

It is a super-2 number, since 2×725260790² = 1052006427022848200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116066 + ... + 122154.

It is an arithmetic number, because the mean of its divisors is an integer number (41902245).

Almost surely, 2^725260790 is an apocalyptic number.

725260790 is a deficient number, since it is larger than the sum of its proper divisors (615611050).

725260790 is a wasteful number, since it uses less digits than its factorization.

725260790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 725260790 is about 26930.6663489784. Note that the first 3 decimals coincide. The cubic root of 725260790 is about 898.4585920281.

The spelling of 725260790 in words is "seven hundred twenty-five million, two hundred sixty thousand, seven hundred ninety".