447147732 has 12 divisors (see below), whose sum is σ = 1043344736. Its totient is φ = 149049240.

The previous prime is 447147709. The next prime is 447147733. The reversal of 447147732 is 237741744.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447147733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18631144 + ... + 18631167.

Almost surely, 2^447147732 is an apocalyptic number.

It is an amenable number.

447147732 is an abundant number, since it is smaller than the sum of its proper divisors (596197004).

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

447147732 is a wasteful number, since it uses less digits than its factorization.

447147732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37262318 (or 37262316 counting only the distinct ones).

The product of its digits is 131712, while the sum is 39.

The square root of 447147732 is about 21145.8679651605. The cubic root of 447147732 is about 764.6869478217.

The spelling of 447147732 in words is "four hundred forty-seven million, one hundred forty-seven thousand, seven hundred thirty-two".