447443970 has 16 divisors (see below), whose sum is σ = 1073865600. Its totient is φ = 119318384.

The previous prime is 447443957. The next prime is 447443981. The reversal of 447443970 is 79344744.

It is a super-2 number, since 2×447443970² = 400412212578721800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7457370 + ... + 7457429.

It is an arithmetic number, because the mean of its divisors is an integer number (67116600).

Almost surely, 2^447443970 is an apocalyptic number.

447443970 is an abundant number, since it is smaller than the sum of its proper divisors (626421630).

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

447443970 is a wasteful number, since it uses less digits than its factorization.

447443970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14914809.

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 447443970 is about 21152.8714362850. The cubic root of 447443970 is about 764.8557804085.

The spelling of 447443970 in words is "four hundred forty-seven million, four hundred forty-three thousand, nine hundred seventy".