447155674 has 12 divisors (see below), whose sum is σ = 780241194. Its totient is φ = 191638104.

The previous prime is 447155663. The next prime is 447155707. The reversal of 447155674 is 476551744.

It can be written as a sum of positive squares in only one way, i.e., 426133449 + 21022225 = 20643^2 + 4585^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 447155674.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2281309 + ... + 2281504.

Almost surely, 2^447155674 is an apocalyptic number.

447155674 is a deficient number, since it is larger than the sum of its proper divisors (333085520).

447155674 is a wasteful number, since it uses less digits than its factorization.

447155674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562829 (or 4562822 counting only the distinct ones).

The product of its digits is 470400, while the sum is 43.

The square root of 447155674 is about 21146.0557551521. The cubic root of 447155674 is about 764.6914751157.

The spelling of 447155674 in words is "four hundred forty-seven million, one hundred fifty-five thousand, six hundred seventy-four".