447378792 has 64 divisors (see below), whose sum is σ = 1292630400. Its totient is φ = 126382080.

The previous prime is 447378791. The next prime is 447378797. The reversal of 447378792 is 297873744.

It is not an unprimeable number, because it can be changed into a prime (447378791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9 + ... + 29912.

It is an arithmetic number, because the mean of its divisors is an integer number (20197350).

Almost surely, 2^447378792 is an apocalyptic number.

447378792 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447378792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646315200).

447378792 is an abundant number, since it is smaller than the sum of its proper divisors (845251608).

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

447378792 is a wasteful number, since it uses less digits than its factorization.

447378792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30026 (or 30022 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 51.

The square root of 447378792 is about 21151.3307382774. The cubic root of 447378792 is about 764.8186404206.

The spelling of 447378792 in words is "four hundred forty-seven million, three hundred seventy-eight thousand, seven hundred ninety-two".