404726725 has 24 divisors (see below), whose sum is σ = 549652320. Its totient is φ = 293795520.

The previous prime is 404726723. The next prime is 404726741. The reversal of 404726725 is 527627404.

It is not a de Polignac number, because 404726725 - 2¹ = 404726723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404726723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8622 + ... + 29728.

It is an arithmetic number, because the mean of its divisors is an integer number (22902180).

Almost surely, 2^404726725 is an apocalyptic number.

It is an amenable number.

404726725 is a deficient number, since it is larger than the sum of its proper divisors (144925595).

404726725 is a wasteful number, since it uses less digits than its factorization.

404726725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21189 (or 21184 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 404726725 is about 20117.8210798287. The cubic root of 404726725 is about 739.6971764360.

The spelling of 404726725 in words is "four hundred four million, seven hundred twenty-six thousand, seven hundred twenty-five".