447270780 has 48 divisors (see below), whose sum is σ = 1366210944. Its totient is φ = 108429120.

The previous prime is 447270779. The next prime is 447270787. The reversal of 447270780 is 87072744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447270787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338182 + ... + 339501.

It is an arithmetic number, because the mean of its divisors is an integer number (28462728).

Almost surely, 2^447270780 is an apocalyptic number.

It is an amenable number.

447270780 is an abundant number, since it is smaller than the sum of its proper divisors (918940164).

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

447270780 is a wasteful number, since it uses less digits than its factorization.

447270780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677706 (or 677704 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 447270780 is about 21148.7772696201. Note that the first 3 decimals coincide. The cubic root of 447270780 is about 764.7570846491.

The spelling of 447270780 in words is "four hundred forty-seven million, two hundred seventy thousand, seven hundred eighty".