447974458 has 4 divisors (see below), whose sum is σ = 671961690. Its totient is φ = 223987228.

The previous prime is 447974411. The next prime is 447974479. The reversal of 447974458 is 854479744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 371988369 + 75986089 = 19287^2 + 8717^2 .

It is a super-2 number, since 2×447974458² = 401362230040787528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111993613 + ... + 111993616.

Almost surely, 2^447974458 is an apocalyptic number.

447974458 is a deficient number, since it is larger than the sum of its proper divisors (223987232).

447974458 is a wasteful number, since it uses less digits than its factorization.

447974458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223987231.

The product of its digits is 4515840, while the sum is 52.

The square root of 447974458 is about 21165.4071068808. The cubic root of 447974458 is about 765.1579311397.

The spelling of 447974458 in words is "four hundred forty-seven million, nine hundred seventy-four thousand, four hundred fifty-eight".