475430172 has 24 divisors (see below), whose sum is σ = 1267814016. Its totient is φ = 135837168.

The previous prime is 475430149. The next prime is 475430173. The reversal of 475430172 is 271034574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475430173) 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, 2829858 + ... + 2830025.

It is an arithmetic number, because the mean of its divisors is an integer number (52825584).

Almost surely, 2^475430172 is an apocalyptic number.

475430172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

475430172 is an abundant number, since it is smaller than the sum of its proper divisors (792383844).

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

475430172 is a wasteful number, since it uses less digits than its factorization.

475430172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659897 (or 5659895 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 475430172 is about 21804.3613068579. The cubic root of 475430172 is about 780.4808409282.

The spelling of 475430172 in words is "four hundred seventy-five million, four hundred thirty thousand, one hundred seventy-two".