447213082 has 16 divisors (see below), whose sum is σ = 683105832. Its totient is φ = 219525120.

The previous prime is 447213077. The next prime is 447213083. The reversal of 447213082 is 280312744.

It can be written as a sum of positive squares in 4 ways, for example, as 390497121 + 56715961 = 19761^2 + 7531^2 .

It is not an unprimeable number, because it can be changed into a prime (447213083) 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 7 ways as a sum of consecutive naturals, for example, 67218 + ... + 73570.

Almost surely, 2^447213082 is an apocalyptic number.

447213082 is a deficient number, since it is larger than the sum of its proper divisors (235892750).

447213082 is a wasteful number, since it uses less digits than its factorization.

447213082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 447213082 is about 21147.4131278509. The cubic root of 447213082 is about 764.7241986408.

The spelling of 447213082 in words is "four hundred forty-seven million, two hundred thirteen thousand, eighty-two".