725079756 has 12 divisors (see below), whose sum is σ = 1691852792. Its totient is φ = 241693248.

The previous prime is 725079737. The next prime is 725079757. The reversal of 725079756 is 657970527.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×725079756² = 1051481305122039072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725079757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30211645 + ... + 30211668.

Almost surely, 2^725079756 is an apocalyptic number.

It is an amenable number.

725079756 is an abundant number, since it is smaller than the sum of its proper divisors (966773036).

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

725079756 is a wasteful number, since it uses less digits than its factorization.

725079756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60423320 (or 60423318 counting only the distinct ones).

The product of its (nonzero) digits is 926100, while the sum is 48.

The square root of 725079756 is about 26927.3050266825. The cubic root of 725079756 is about 898.3838303745.

The spelling of 725079756 in words is "seven hundred twenty-five million, seventy-nine thousand, seven hundred fifty-six".