725809106682 has 64 divisors (see below), whose sum is σ = 1760213347200. Its totient is φ = 219857639040.

The previous prime is 725809106677. The next prime is 725809106707. The reversal of 725809106682 is 286601908527.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1321044 + ... + 1787952.

It is an arithmetic number, because the mean of its divisors is an integer number (27503333550).

Almost surely, 2^725809106682 is an apocalyptic number.

725809106682 is an abundant number, since it is smaller than the sum of its proper divisors (1034404240518).

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

725809106682 is a wasteful number, since it uses less digits than its factorization.

725809106682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469548 (or 469542 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 725809106682 in words is "seven hundred twenty-five billion, eight hundred nine million, one hundred six thousand, six hundred eighty-two".