447001320 has 64 divisors (see below), whose sum is σ = 1399317120. Its totient is φ = 114017024.

The previous prime is 447001319. The next prime is 447001333. The reversal of 447001320 is 23100744.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78219 + ... + 83738.

It is an arithmetic number, because the mean of its divisors is an integer number (21864330).

Almost surely, 2^447001320 is an apocalyptic number.

447001320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447001320 is an abundant number, since it is smaller than the sum of its proper divisors (952315800).

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

447001320 is a wasteful number, since it uses less digits than its factorization.

447001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161994 (or 161990 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 447001320 is about 21142.4057287717. The cubic root of 447001320 is about 764.6034768497.

The spelling of 447001320 in words is "four hundred forty-seven million, one thousand, three hundred twenty".