447473449 has 16 divisors (see below), whose sum is σ = 467106640. Its totient is φ = 428302080.

The previous prime is 447473431. The next prime is 447473479. The reversal of 447473449 is 944374744.

It can be written as a sum of positive squares in 8 ways, for example, as 60171049 + 387302400 = 7757^2 + 19680^2 .

It is a cyclic number.

It is not a de Polignac number, because 447473449 - 2⁷ = 447473321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 447473399 and 447473408.

It is not an unprimeable number, because it can be changed into a prime (447473419) 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, 729667 + ... + 730279.

It is an arithmetic number, because the mean of its divisors is an integer number (29194165).

Almost surely, 2^447473449 is an apocalyptic number.

It is an amenable number.

447473449 is a deficient number, since it is larger than the sum of its proper divisors (19633191).

447473449 is a wasteful number, since it uses less digits than its factorization.

447473449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its digits is 1354752, while the sum is 46.

The square root of 447473449 is about 21153.5682332792. The cubic root of 447473449 is about 764.8725770653.

The spelling of 447473449 in words is "four hundred forty-seven million, four hundred seventy-three thousand, four hundred forty-nine".