725353129064 has 32 divisors (see below), whose sum is σ = 1419283278720. Its totient is φ = 346880124096.

The previous prime is 725353129043. The next prime is 725353129117. The reversal of 725353129064 is 460921353527.

It is a super-2 number, since 2×725353129064² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2233922 + ... + 2537934.

It is an arithmetic number, because the mean of its divisors is an integer number (44352602460).

Almost surely, 2^725353129064 is an apocalyptic number.

It is an amenable number.

725353129064 is a deficient number, since it is larger than the sum of its proper divisors (693930149656).

725353129064 is a wasteful number, since it uses less digits than its factorization.

725353129064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317009 (or 317005 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 725353129064 in words is "seven hundred twenty-five billion, three hundred fifty-three million, one hundred twenty-nine thousand, sixty-four".