447313172 has 24 divisors (see below), whose sum is σ = 802718784. Its totient is φ = 218034432.

The previous prime is 447313171. The next prime is 447313193. The reversal of 447313172 is 271313744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447313171) 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, 17393 + ... + 34599.

It is an arithmetic number, because the mean of its divisors is an integer number (33446616).

Almost surely, 2^447313172 is an apocalyptic number.

It is an amenable number.

447313172 is a deficient number, since it is larger than the sum of its proper divisors (355405612).

447313172 is a wasteful number, since it uses less digits than its factorization.

447313172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17375 (or 17373 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 447313172 is about 21149.7794787558. The cubic root of 447313172 is about 764.7812449263.

The spelling of 447313172 in words is "four hundred forty-seven million, three hundred thirteen thousand, one hundred seventy-two".