725694875712 has 84 divisors (see below), whose sum is σ = 2103445092060. Its totient is φ = 239180316672.

The previous prime is 725694875683. The next prime is 725694875747. The reversal of 725694875712 is 217578496527.

725694875712 is a `hidden beast` number, since 7 + 2 + 56 + 9 + 4 + 8 + 7 + 571 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 409518084096 + 316176791616 = 639936^2 + 562296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 725694875712.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7026753 + ... + 7129280.

Almost surely, 2^725694875712 is an apocalyptic number.

725694875712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

725694875712 is an abundant number, since it is smaller than the sum of its proper divisors (1377750216348).

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

725694875712 is a wasteful number, since it uses less digits than its factorization.

725694875712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14156140 (or 14156127 counting only the distinct ones).

The product of its digits is 59270400, while the sum is 63.

The spelling of 725694875712 in words is "seven hundred twenty-five billion, six hundred ninety-four million, eight hundred seventy-five thousand, seven hundred twelve".