725056706 has 32 divisors (see below), whose sum is σ = 1229561856. Its totient is φ = 317682000.

The previous prime is 725056693. The next prime is 725056721. The reversal of 725056706 is 607650527.

It is a self number, because there is not a number n which added to its sum of digits gives 725056706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182861 + ... + 186783.

It is an arithmetic number, because the mean of its divisors is an integer number (38423808).

Almost surely, 2^725056706 is an apocalyptic number.

725056706 is a deficient number, since it is larger than the sum of its proper divisors (504505150).

725056706 is a wasteful number, since it uses less digits than its factorization.

725056706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 725056706 is about 26926.8770190678. The cubic root of 725056706 is about 898.3743105175.

The spelling of 725056706 in words is "seven hundred twenty-five million, fifty-six thousand, seven hundred six".