447609168072 has 80 divisors (see below), whose sum is σ = 1367694702000. Its totient is φ = 135639139680.

The previous prime is 447609168043. The next prime is 447609168077. The reversal of 447609168072 is 270861906744.

447609168072 is a `hidden beast` number, since 4 + 476 + 0 + 9 + 168 + 0 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (447609168077) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31390822 + ... + 31405077.

It is an arithmetic number, because the mean of its divisors is an integer number (17096183775).

Almost surely, 2^447609168072 is an apocalyptic number.

It is an amenable number.

447609168072 is an abundant number, since it is smaller than the sum of its proper divisors (920085533928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447609168072 is a wasteful number, since it uses less digits than its factorization.

447609168072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62795928 (or 62795915 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 447609168072 in words is "four hundred forty-seven billion, six hundred nine million, one hundred sixty-eight thousand, seventy-two".