447384732 has 12 divisors (see below), whose sum is σ = 1043897736. Its totient is φ = 149128240.

The previous prime is 447384701. The next prime is 447384737. The reversal of 447384732 is 237483744.

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 (447384737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18641019 + ... + 18641042.

It is an arithmetic number, because the mean of its divisors is an integer number (86991478).

Almost surely, 2^447384732 is an apocalyptic number.

It is an amenable number.

447384732 is an abundant number, since it is smaller than the sum of its proper divisors (596513004).

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

447384732 is a wasteful number, since it uses less digits than its factorization.

447384732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37282068 (or 37282066 counting only the distinct ones).

The product of its digits is 451584, while the sum is 42.

The square root of 447384732 is about 21151.4711545084. The cubic root of 447384732 is about 764.8220253245.

The spelling of 447384732 in words is "four hundred forty-seven million, three hundred eighty-four thousand, seven hundred thirty-two".