725336662635 has 72 divisors (see below), whose sum is σ = 1364640876144. Its totient is φ = 356239054080.

The previous prime is 725336662613. The next prime is 725336662667. The reversal of 725336662635 is 536266633527.

725336662635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725336662635 - 2¹³ = 725336654443 is a prime.

It is a super-2 number, since 2×725336662635² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3088432 + ... + 3314978.

It is an arithmetic number, because the mean of its divisors is an integer number (18953345502).

Almost surely, 2^725336662635 is an apocalyptic number.

725336662635 is a deficient number, since it is larger than the sum of its proper divisors (639304213509).

725336662635 is a wasteful number, since it uses less digits than its factorization.

725336662635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227005 (or 226989 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 54.

The spelling of 725336662635 in words is "seven hundred twenty-five billion, three hundred thirty-six million, six hundred sixty-two thousand, six hundred thirty-five".