447707072 has 28 divisors (see below), whose sum is σ = 889619760. Its totient is φ = 223550976.

The previous prime is 447707069. The next prime is 447707077. The reversal of 447707072 is 270707744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447707077) 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, 47453 + ... + 56099.

Almost surely, 2^447707072 is an apocalyptic number.

It is an amenable number.

447707072 is a deficient number, since it is larger than the sum of its proper divisors (441912688).

447707072 is an equidigital number, since it uses as much as digits as its factorization.

447707072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468 (or 9458 counting only the distinct ones).

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 447707072 is about 21159.0895834391. The cubic root of 447707072 is about 765.0056655852.

The spelling of 447707072 in words is "four hundred forty-seven million, seven hundred seven thousand, seventy-two".