725526717 has 16 divisors (see below), whose sum is σ = 985582080. Its totient is φ = 474608432.

The previous prime is 725526713. The next prime is 725526721. The reversal of 725526717 is 717625527.

It is an interprime number because it is at equal distance from previous prime (725526713) and next prime (725526721).

It is a cyclic number.

It is not a de Polignac number, because 725526717 - 2² = 725526713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725526713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100408 + ... + 107390.

It is an arithmetic number, because the mean of its divisors is an integer number (61598880).

Almost surely, 2^725526717 is an apocalyptic number.

It is an amenable number.

725526717 is a deficient number, since it is larger than the sum of its proper divisors (260055363).

725526717 is a wasteful number, since it uses less digits than its factorization.

725526717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632.

The product of its digits is 205800, while the sum is 42.

The square root of 725526717 is about 26935.6031489922. The cubic root of 725526717 is about 898.5683894074.

The spelling of 725526717 in words is "seven hundred twenty-five million, five hundred twenty-six thousand, seven hundred seventeen".