447575728 has 20 divisors (see below), whose sum is σ = 918189000. Its totient is φ = 210623744.

The previous prime is 447575701. The next prime is 447575753. The reversal of 447575728 is 827575744.

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, 822478 + ... + 823021.

It is an arithmetic number, because the mean of its divisors is an integer number (45909450).

Almost surely, 2^447575728 is an apocalyptic number.

It is an amenable number.

447575728 is an abundant number, since it is smaller than the sum of its proper divisors (470613272).

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

447575728 is a wasteful number, since it uses less digits than its factorization.

447575728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645524 (or 1645518 counting only the distinct ones).

The product of its digits is 2195200, while the sum is 49.

The square root of 447575728 is about 21155.9856305491. The cubic root of 447575728 is about 764.9308482639.

The spelling of 447575728 in words is "four hundred forty-seven million, five hundred seventy-five thousand, seven hundred twenty-eight".