725706516 has 48 divisors (see below), whose sum is σ = 1724373504. Its totient is φ = 237502176.

The previous prime is 725706503. The next prime is 725706521. The reversal of 725706516 is 615607527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164151 + ... + 168513.

It is an arithmetic number, because the mean of its divisors is an integer number (35924448).

Almost surely, 2^725706516 is an apocalyptic number.

It is an amenable number.

725706516 is an abundant number, since it is smaller than the sum of its proper divisors (998666988).

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

725706516 is a wasteful number, since it uses less digits than its factorization.

725706516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620 (or 4618 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 725706516 is about 26938.9405136876. The cubic root of 725706516 is about 898.6426105904.

The spelling of 725706516 in words is "seven hundred twenty-five million, seven hundred six thousand, five hundred sixteen".