447730672 has 20 divisors (see below), whose sum is σ = 868538160. Its totient is φ = 223591808.

The previous prime is 447730643. The next prime is 447730691. The reversal of 447730672 is 276037744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3253 + ... + 30100.

It is an arithmetic number, because the mean of its divisors is an integer number (43426908).

Almost surely, 2^447730672 is an apocalyptic number.

It is an amenable number.

447730672 is a deficient number, since it is larger than the sum of its proper divisors (420807488).

447730672 is a wasteful number, since it uses less digits than its factorization.

447730672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34200 (or 34194 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 40.

The square root of 447730672 is about 21159.6472560390. The cubic root of 447730672 is about 765.0191072733.

The spelling of 447730672 in words is "four hundred forty-seven million, seven hundred thirty thousand, six hundred seventy-two".