725937569 has 16 divisors (see below), whose sum is σ = 866550528. Its totient is φ = 594604032.

The previous prime is 725937551. The next prime is 725937629. The reversal of 725937569 is 965739527.

725937569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725937569 is a prime.

It is a super-2 number, since 2×725937569² = 1053970708171259522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725937569.

It is not an unprimeable number, because it can be changed into a prime (725937469) 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, 271889 + ... + 274545.

It is an arithmetic number, because the mean of its divisors is an integer number (54159408).

Almost surely, 2^725937569 is an apocalyptic number.

It is an amenable number.

725937569 is a deficient number, since it is larger than the sum of its proper divisors (140612959).

725937569 is a wasteful number, since it uses less digits than its factorization.

725937569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384.

The product of its digits is 3572100, while the sum is 53.

The square root of 725937569 is about 26943.2286298432. The cubic root of 725937569 is about 898.7379714719.

The spelling of 725937569 in words is "seven hundred twenty-five million, nine hundred thirty-seven thousand, five hundred sixty-nine".