447716872 has 16 divisors (see below), whose sum is σ = 862158060. Its totient is φ = 217808064.

The previous prime is 447716861. The next prime is 447716897. The reversal of 447716872 is 278617744.

It can be written as a sum of positive squares in 2 ways, for example, as 312087556 + 135629316 = 17666^2 + 11646^2 .

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, 755983 + ... + 756574.

Almost surely, 2^447716872 is an apocalyptic number.

It is an amenable number.

447716872 is a deficient number, since it is larger than the sum of its proper divisors (414441188).

447716872 is a wasteful number, since it uses less digits than its factorization.

447716872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512600 (or 1512596 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The square root of 447716872 is about 21159.3211611337. The cubic root of 447716872 is about 765.0112473605.

The spelling of 447716872 in words is "four hundred forty-seven million, seven hundred sixteen thousand, eight hundred seventy-two".