725128790 has 16 divisors (see below), whose sum is σ = 1305579600. Its totient is φ = 289974240.

The previous prime is 725128769. The next prime is 725128813. The reversal of 725128790 is 97821527.

725128790 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43880 + ... + 58100.

It is an arithmetic number, because the mean of its divisors is an integer number (81598725).

Almost surely, 2^725128790 is an apocalyptic number.

725128790 is a deficient number, since it is larger than the sum of its proper divisors (580450810).

725128790 is a wasteful number, since it uses less digits than its factorization.

725128790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19327.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 725128790 is about 26928.2154997319. The cubic root of 725128790 is about 898.4040811857.

The spelling of 725128790 in words is "seven hundred twenty-five million, one hundred twenty-eight thousand, seven hundred ninety".