447076305 has 24 divisors (see below), whose sum is σ = 834543528. Its totient is φ = 220098816.

The previous prime is 447076303. The next prime is 447076313. The reversal of 447076305 is 503670744.

It can be written as a sum of positive squares in 4 ways, for example, as 64834704 + 382241601 = 8052^2 + 19551^2 .

It is not a de Polignac number, because 447076305 - 2¹ = 447076303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 447076305.

It is not an unprimeable number, because it can be changed into a prime (447076303) 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 23 ways as a sum of consecutive naturals, for example, 381532 + ... + 382701.

It is an arithmetic number, because the mean of its divisors is an integer number (34772647).

Almost surely, 2^447076305 is an apocalyptic number.

447076305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

447076305 is a deficient number, since it is larger than the sum of its proper divisors (387467223).

447076305 is a wasteful number, since it uses less digits than its factorization.

447076305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764257 (or 764254 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 447076305 is about 21144.1789861891. The cubic root of 447076305 is about 764.6462288383.

The spelling of 447076305 in words is "four hundred forty-seven million, seventy-six thousand, three hundred five".