447890373 has 12 divisors (see below), whose sum is σ = 739374688. Its totient is φ = 255937320.

The previous prime is 447890353. The next prime is 447890383. The reversal of 447890373 is 373098744.

It is a happy number.

It is not a de Polignac number, because 447890373 - 2⁵ = 447890341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447890353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3554623 + ... + 3554748.

Almost surely, 2^447890373 is an apocalyptic number.

It is an amenable number.

447890373 is a deficient number, since it is larger than the sum of its proper divisors (291484315).

447890373 is a wasteful number, since it uses less digits than its factorization.

447890373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109384 (or 7109381 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 447890373 is about 21163.4206356156. The cubic root of 447890373 is about 765.1100546522.

The spelling of 447890373 in words is "four hundred forty-seven million, eight hundred ninety thousand, three hundred seventy-three".