725766107 has 12 divisors (see below), whose sum is σ = 799289568. Its totient is φ = 658508400.

The previous prime is 725766089. The next prime is 725766143. The reversal of 725766107 is 701667527.

It is a de Polignac number, because none of the positive numbers 2^k-725766107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725066107) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 59918 + ... + 71004.

It is an arithmetic number, because the mean of its divisors is an integer number (66607464).

Almost surely, 2^725766107 is an apocalyptic number.

725766107 is a deficient number, since it is larger than the sum of its proper divisors (73523461).

725766107 is a wasteful number, since it uses less digits than its factorization.

725766107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11650 (or 11639 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 725766107 is about 26940.0465292842. The cubic root of 725766107 is about 898.6672071020.

The spelling of 725766107 in words is "seven hundred twenty-five million, seven hundred sixty-six thousand, one hundred seven".