725913660 has 24 divisors (see below), whose sum is σ = 2032558416. Its totient is φ = 193576960.

The previous prime is 725913641. The next prime is 725913689. The reversal of 725913660 is 66319527.

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, 6049221 + ... + 6049340.

It is an arithmetic number, because the mean of its divisors is an integer number (84689934).

Almost surely, 2^725913660 is an apocalyptic number.

It is an amenable number.

725913660 is an abundant number, since it is smaller than the sum of its proper divisors (1306644756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725913660 is a wasteful number, since it uses less digits than its factorization.

725913660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12098573 (or 12098571 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 725913660 is about 26942.7849340041. The cubic root of 725913660 is about 898.7281046170.

The spelling of 725913660 in words is "seven hundred twenty-five million, nine hundred thirteen thousand, six hundred sixty".