725955818 has 16 divisors (see below), whose sum is σ = 1247754240. Its totient is φ = 310309296.

The previous prime is 725955817. The next prime is 725955821. The reversal of 725955818 is 818559527.

It is a happy number.

725955818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (725955817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62333 + ... + 73056.

It is an arithmetic number, because the mean of its divisors is an integer number (77984640).

Almost surely, 2^725955818 is an apocalyptic number.

725955818 is a deficient number, since it is larger than the sum of its proper divisors (521798422).

725955818 is a wasteful number, since it uses less digits than its factorization.

725955818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135781.

The product of its digits is 1008000, while the sum is 50.

The square root of 725955818 is about 26943.5672842332. The cubic root of 725955818 is about 898.7455023913.

The spelling of 725955818 in words is "seven hundred twenty-five million, nine hundred fifty-five thousand, eight hundred eighteen".