725634015 has 32 divisors (see below), whose sum is σ = 1213318656. Its totient is φ = 369621120.

The previous prime is 725633989. The next prime is 725634017. The reversal of 725634015 is 510436527.

It is not a de Polignac number, because 725634015 - 2⁵ = 725633983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725634017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325605 + ... + 327825.

It is an arithmetic number, because the mean of its divisors is an integer number (37916208).

Almost surely, 2^725634015 is an apocalyptic number.

725634015 is a deficient number, since it is larger than the sum of its proper divisors (487684641).

725634015 is a wasteful number, since it uses less digits than its factorization.

725634015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 725634015 is about 26937.5948258192. The cubic root of 725634015 is about 898.6126835900.

The spelling of 725634015 in words is "seven hundred twenty-five million, six hundred thirty-four thousand, fifteen".