447346272 has 24 divisors (see below), whose sum is σ = 1174284216. Its totient is φ = 149115392.

The previous prime is 447346259. The next prime is 447346283. The reversal of 447346272 is 272643744.

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

It is a self number, because there is not a number n which added to its sum of digits gives 447346272.

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, 2329833 + ... + 2330024.

It is an arithmetic number, because the mean of its divisors is an integer number (48928509).

Almost surely, 2^447346272 is an apocalyptic number.

It is an amenable number.

447346272 is an abundant number, since it is smaller than the sum of its proper divisors (726937944).

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

447346272 is a wasteful number, since it uses less digits than its factorization.

447346272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659870 (or 4659862 counting only the distinct ones).

The product of its digits is 225792, while the sum is 39.

The square root of 447346272 is about 21150.5619783494. The cubic root of 447346272 is about 764.8001083956.

The spelling of 447346272 in words is "four hundred forty-seven million, three hundred forty-six thousand, two hundred seventy-two".