478737172 has 12 divisors (see below), whose sum is σ = 846085716. Its totient is φ = 236998400.

The previous prime is 478737169. The next prime is 478737199. The reversal of 478737172 is 271737874.

It can be written as a sum of positive squares in 2 ways, for example, as 355171716 + 123565456 = 18846^2 + 11116^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 592093 + ... + 592900.

It is an arithmetic number, because the mean of its divisors is an integer number (70507143).

Almost surely, 2^478737172 is an apocalyptic number.

It is an amenable number.

478737172 is a deficient number, since it is larger than the sum of its proper divisors (367348544).

478737172 is a wasteful number, since it uses less digits than its factorization.

478737172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185098 (or 1185096 counting only the distinct ones).

The product of its digits is 460992, while the sum is 46.

The square root of 478737172 is about 21880.0633454293. The cubic root of 478737172 is about 782.2862856838.

The spelling of 478737172 in words is "four hundred seventy-eight million, seven hundred thirty-seven thousand, one hundred seventy-two".