725683706 has 12 divisors (see below), whose sum is σ = 1196478906. Its totient is φ = 329856120.

The previous prime is 725683697. The next prime is 725683711. The reversal of 725683706 is 607386527.

725683706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 631768225 + 93915481 = 25135^2 + 9691^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1499105 + ... + 1499588.

Almost surely, 2^725683706 is an apocalyptic number.

725683706 is a deficient number, since it is larger than the sum of its proper divisors (470795200).

725683706 is a wasteful number, since it uses less digits than its factorization.

725683706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998717 (or 2998706 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 725683706 is about 26938.5171455297. The cubic root of 725683706 is about 898.6331952817.

The spelling of 725683706 in words is "seven hundred twenty-five million, six hundred eighty-three thousand, seven hundred six".