404073172 has 24 divisors (see below), whose sum is σ = 717353280. Its totient is φ = 199129920.

The previous prime is 404073169. The next prime is 404073179. The reversal of 404073172 is 271370404.

It is a self number, because there is not a number n which added to its sum of digits gives 404073172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404073179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121897 + ... + 125167.

It is an arithmetic number, because the mean of its divisors is an integer number (29889720).

Almost surely, 2^404073172 is an apocalyptic number.

It is an amenable number.

404073172 is a deficient number, since it is larger than the sum of its proper divisors (313280108).

404073172 is a wasteful number, since it uses less digits than its factorization.

404073172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711 (or 3709 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 404073172 is about 20101.5713813622. The cubic root of 404073172 is about 739.2988074233.

The spelling of 404073172 in words is "four hundred four million, seventy-three thousand, one hundred seventy-two".