725359728142 has 40 divisors (see below), whose sum is σ = 1276906031856. Its totient is φ = 309006625536.

The previous prime is 725359728131. The next prime is 725359728199. The reversal of 725359728142 is 241827953527.

It is a happy number.

It is a super-2 number, since 2×725359728142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 349678 + ... + 1254190.

Almost surely, 2^725359728142 is an apocalyptic number.

725359728142 is a deficient number, since it is larger than the sum of its proper divisors (551546303714).

725359728142 is an equidigital number, since it uses as much as digits as its factorization.

725359728142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904710 (or 904689 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 55.

The spelling of 725359728142 in words is "seven hundred twenty-five billion, three hundred fifty-nine million, seven hundred twenty-eight thousand, one hundred forty-two".