725249288 has 16 divisors (see below), whose sum is σ = 1367442000. Its totient is φ = 360598096.

The previous prime is 725249251. The next prime is 725249311. The reversal of 725249288 is 882942527.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251798 + ... + 254661.

It is an arithmetic number, because the mean of its divisors is an integer number (85465125).

Almost surely, 2^725249288 is an apocalyptic number.

It is an amenable number.

725249288 is a deficient number, since it is larger than the sum of its proper divisors (642192712).

725249288 is a wasteful number, since it uses less digits than its factorization.

725249288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506644 (or 506640 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 725249288 is about 26930.4527997581. The cubic root of 725249288 is about 898.4538424146.

The spelling of 725249288 in words is "seven hundred twenty-five million, two hundred forty-nine thousand, two hundred eighty-eight".