725654699 has 16 divisors (see below), whose sum is σ = 912729600. Its totient is φ = 560434560.

The previous prime is 725654659. The next prime is 725654701. The reversal of 725654699 is 996456527.

It is not a de Polignac number, because 725654699 - 2²⁰ = 724606123 is a prime.

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 725654699.

It is not an unprimeable number, because it can be changed into a prime (725654659) 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, 32999 + ... + 50400.

It is an arithmetic number, because the mean of its divisors is an integer number (57045600).

Almost surely, 2^725654699 is an apocalyptic number.

725654699 is a deficient number, since it is larger than the sum of its proper divisors (187074901).

725654699 is a wasteful number, since it uses less digits than its factorization.

725654699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83530.

The product of its digits is 4082400, while the sum is 53.

The square root of 725654699 is about 26937.9787474859. The cubic root of 725654699 is about 898.6212217455.

The spelling of 725654699 in words is "seven hundred twenty-five million, six hundred fifty-four thousand, six hundred ninety-nine".