447163725 has 12 divisors (see below), whose sum is σ = 739310816. Its totient is φ = 238487280.

The previous prime is 447163721. The next prime is 447163817. The reversal of 447163725 is 527361744.

It is not a de Polignac number, because 447163725 - 2² = 447163721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447163721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2981017 + ... + 2981166.

Almost surely, 2^447163725 is an apocalyptic number.

It is an amenable number.

447163725 is a deficient number, since it is larger than the sum of its proper divisors (292147091).

447163725 is a wasteful number, since it uses less digits than its factorization.

447163725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962196 (or 5962191 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 447163725 is about 21146.2461207657. The cubic root of 447163725 is about 764.6960644899.

The spelling of 447163725 in words is "four hundred forty-seven million, one hundred sixty-three thousand, seven hundred twenty-five".