447331712 has 32 divisors (see below), whose sum is σ = 910141920. Its totient is φ = 218904064.

The previous prime is 447331691. The next prime is 447331747. The reversal of 447331712 is 217133744.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 31163 + ... + 43194.

It is an arithmetic number, because the mean of its divisors is an integer number (28441935).

Almost surely, 2^447331712 is an apocalyptic number.

It is an amenable number.

447331712 is an abundant number, since it is smaller than the sum of its proper divisors (462810208).

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

447331712 is an equidigital number, since it uses as much as digits as its factorization.

447331712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74418 (or 74406 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 447331712 is about 21150.2177766566. The cubic root of 447331712 is about 764.7918108633.

The spelling of 447331712 in words is "four hundred forty-seven million, three hundred thirty-one thousand, seven hundred twelve".