447345872 has 20 divisors (see below), whose sum is σ = 894692736. Its totient is φ = 216457440.

The previous prime is 447345863. The next prime is 447345893. The reversal of 447345872 is 278543744.

447345872 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450458 + ... + 451449.

Almost surely, 2^447345872 is an apocalyptic number.

It is an amenable number.

447345872 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

447345872 is a wasteful number, since it uses less digits than its factorization.

447345872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901946 (or 901940 counting only the distinct ones).

The product of its digits is 752640, while the sum is 44.

The square root of 447345872 is about 21150.5525223338. The cubic root of 447345872 is about 764.7998804438.

The spelling of 447345872 in words is "four hundred forty-seven million, three hundred forty-five thousand, eight hundred seventy-two".