725312356 has 12 divisors (see below), whose sum is σ = 1273133680. Its totient is φ = 361559880.

The previous prime is 725312333. The next prime is 725312389. The reversal of 725312356 is 653213527.

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, 272586 + ... + 275233.

Almost surely, 2^725312356 is an apocalyptic number.

It is an amenable number.

725312356 is a deficient number, since it is larger than the sum of its proper divisors (547821324).

725312356 is a wasteful number, since it uses less digits than its factorization.

725312356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548154 (or 548152 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 725312356 is about 26931.6237163673. The cubic root of 725312356 is about 898.4798849747.

The spelling of 725312356 in words is "seven hundred twenty-five million, three hundred twelve thousand, three hundred fifty-six".