447900672 has 88 divisors (see below), whose sum is σ = 1201212352. Its totient is φ = 148377600.

The previous prime is 447900671. The next prime is 447900703. The reversal of 447900672 is 276009744.

It is a self number, because there is not a number n which added to its sum of digits gives 447900672.

It is not an unprimeable number, because it can be changed into a prime (447900671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647847 + ... + 648537.

Almost surely, 2^447900672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447900672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600606176).

447900672 is an abundant number, since it is smaller than the sum of its proper divisors (753311680).

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

447900672 is a wasteful number, since it uses less digits than its factorization.

447900672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 447900672 is about 21163.6639549961. The cubic root of 447900672 is about 765.1159190397.

The spelling of 447900672 in words is "four hundred forty-seven million, nine hundred thousand, six hundred seventy-two".