447227720 has 32 divisors (see below), whose sum is σ = 1007121600. Its totient is φ = 178738368.

The previous prime is 447227707. The next prime is 447227773. The reversal of 447227720 is 27722744.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50591 + ... + 58769.

It is an arithmetic number, because the mean of its divisors is an integer number (31472550).

Almost surely, 2^447227720 is an apocalyptic number.

447227720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447227720 is an abundant number, since it is smaller than the sum of its proper divisors (559893880).

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

447227720 is a wasteful number, since it uses less digits than its factorization.

447227720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557 (or 9553 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 447227720 is about 21147.7592193594. The cubic root of 447227720 is about 764.7325420988.

The spelling of 447227720 in words is "four hundred forty-seven million, two hundred twenty-seven thousand, seven hundred twenty".