725168626 has 64 divisors (see below), whose sum is σ = 1424183040. Its totient is φ = 269671680.

The previous prime is 725168617. The next prime is 725168627. The reversal of 725168626 is 626861527.

It is a super-2 number, since 2×725168626² = 1051739072269455752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725168627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 893761 + ... + 894571.

It is an arithmetic number, because the mean of its divisors is an integer number (22252860).

Almost surely, 2^725168626 is an apocalyptic number.

725168626 is a deficient number, since it is larger than the sum of its proper divisors (699014414).

725168626 is a wasteful number, since it uses less digits than its factorization.

725168626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 850 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 725168626 is about 26928.9551598275. The cubic root of 725168626 is about 898.4205325941.

The spelling of 725168626 in words is "seven hundred twenty-five million, one hundred sixty-eight thousand, six hundred twenty-six".