447942720 has 112 divisors (see below), whose sum is σ = 1460772288. Its totient is φ = 116213760.

The previous prime is 447942713. The next prime is 447942721. The reversal of 447942720 is 27249744.

It is not an unprimeable number, because it can be changed into a prime (447942721) 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, 29215 + ... + 41825.

Almost surely, 2^447942720 is an apocalyptic number.

447942720 is a gapful number since it is divisible by the number (40) 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 447942720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730386144).

447942720 is an abundant number, since it is smaller than the sum of its proper divisors (1012829568).

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

447942720 is a wasteful number, since it uses less digits than its factorization.

447942720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668 (or 12658 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 447942720 is about 21164.6573324493. The cubic root of 447942720 is about 765.1398607969.

The spelling of 447942720 in words is "four hundred forty-seven million, nine hundred forty-two thousand, seven hundred twenty".