447142492 has 6 divisors (see below), whose sum is σ = 782499368. Its totient is φ = 223571244.

The previous prime is 447142477. The next prime is 447142529. The reversal of 447142492 is 294241744.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55892808 + ... + 55892815.

Almost surely, 2^447142492 is an apocalyptic number.

It is an amenable number.

447142492 is a deficient number, since it is larger than the sum of its proper divisors (335356876).

447142492 is a wasteful number, since it uses less digits than its factorization.

447142492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111785627 (or 111785625 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 447142492 is about 21145.7440635226. The cubic root of 447142492 is about 764.6839607588.

The spelling of 447142492 in words is "four hundred forty-seven million, one hundred forty-two thousand, four hundred ninety-two".