447667772 has 6 divisors (see below), whose sum is σ = 783418608. Its totient is φ = 223833884.

The previous prime is 447667771. The next prime is 447667789. The reversal of 447667772 is 277766744.

It is a self number, because there is not a number n which added to its sum of digits gives 447667772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447667771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55958468 + ... + 55958475.

It is an arithmetic number, because the mean of its divisors is an integer number (130569768).

Almost surely, 2^447667772 is an apocalyptic number.

It is an amenable number.

447667772 is a deficient number, since it is larger than the sum of its proper divisors (335750836).

447667772 is a wasteful number, since it uses less digits than its factorization.

447667772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111916947 (or 111916945 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 50.

The square root of 447667772 is about 21158.1608841600. The cubic root of 447667772 is about 764.9832807088.

The spelling of 447667772 in words is "four hundred forty-seven million, six hundred sixty-seven thousand, seven hundred seventy-two".