725725168 has 40 divisors (see below), whose sum is σ = 1618726752. Its totient is φ = 308748288.

The previous prime is 725725163. The next prime is 725725171. The reversal of 725725168 is 861527527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725725163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8305 + ... + 38992.

Almost surely, 2^725725168 is an apocalyptic number.

It is an amenable number.

725725168 is an abundant number, since it is smaller than the sum of its proper divisors (893001584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725725168 is a wasteful number, since it uses less digits than its factorization.

725725168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47449 (or 47443 counting only the distinct ones).

The product of its digits is 235200, while the sum is 43.

The square root of 725725168 is about 26939.2867017670. The cubic root of 725725168 is about 898.6503094503.

The spelling of 725725168 in words is "seven hundred twenty-five million, seven hundred twenty-five thousand, one hundred sixty-eight".