447027720 has 32 divisors (see below), whose sum is σ = 1341083520. Its totient is φ = 119207360.

The previous prime is 447027689. The next prime is 447027727. The reversal of 447027720 is 27720744.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (447027727) 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, 1862496 + ... + 1862735.

It is an arithmetic number, because the mean of its divisors is an integer number (41908860).

Almost surely, 2^447027720 is an apocalyptic number.

447027720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447027720 is an abundant number, since it is smaller than the sum of its proper divisors (894055800).

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

447027720 is a wasteful number, since it uses less digits than its factorization.

447027720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725245 (or 3725241 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 447027720 is about 21143.0300572080. The cubic root of 447027720 is about 764.6185291053.

The spelling of 447027720 in words is "four hundred forty-seven million, twenty-seven thousand, seven hundred twenty".