725753979 has 8 divisors (see below), whose sum is σ = 1075191120. Its totient is φ = 483835968.

The previous prime is 725753947. The next prime is 725753981. The reversal of 725753979 is 979357527.

It is not a de Polignac number, because 725753979 - 2⁵ = 725753947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725753939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13439862 + ... + 13439915.

It is an arithmetic number, because the mean of its divisors is an integer number (134398890).

Almost surely, 2^725753979 is an apocalyptic number.

725753979 is a deficient number, since it is larger than the sum of its proper divisors (349437141).

725753979 is a wasteful number, since it uses less digits than its factorization.

725753979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26879786 (or 26879780 counting only the distinct ones).

The product of its digits is 4167450, while the sum is 54.

The square root of 725753979 is about 26939.8214359338. The cubic root of 725753979 is about 898.6622013127.

The spelling of 725753979 in words is "seven hundred twenty-five million, seven hundred fifty-three thousand, nine hundred seventy-nine".