447172512 has 24 divisors (see below), whose sum is σ = 1173828096. Its totient is φ = 149057472.

The previous prime is 447172507. The next prime is 447172513. The reversal of 447172512 is 215271744.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (447172513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328928 + ... + 2329119.

It is an arithmetic number, because the mean of its divisors is an integer number (48909504).

Almost surely, 2^447172512 is an apocalyptic number.

It is an amenable number.

447172512 is an abundant number, since it is smaller than the sum of its proper divisors (726655584).

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

447172512 is a wasteful number, since it uses less digits than its factorization.

447172512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658060 (or 4658052 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 447172512 is about 21146.4538871178. The cubic root of 447172512 is about 764.7010733490.

The spelling of 447172512 in words is "four hundred forty-seven million, one hundred seventy-two thousand, five hundred twelve".