447620642 has 32 divisors (see below), whose sum is σ = 816697728. Its totient is φ = 179617536.

The previous prime is 447620629. The next prime is 447620671. The reversal of 447620642 is 246026744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42113 + ... + 51659.

It is an arithmetic number, because the mean of its divisors is an integer number (25521804).

Almost surely, 2^447620642 is an apocalyptic number.

447620642 is a deficient number, since it is larger than the sum of its proper divisors (369077086).

447620642 is a wasteful number, since it uses less digits than its factorization.

447620642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9770.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 447620642 is about 21157.0471001981. The cubic root of 447620642 is about 764.9564342172.

The spelling of 447620642 in words is "four hundred forty-seven million, six hundred twenty thousand, six hundred forty-two".