447270669 has 12 divisors (see below), whose sum is σ = 646675900. Its totient is φ = 297895104.

The previous prime is 447270667. The next prime is 447270671. The reversal of 447270669 is 966072744.

It is an interprime number because it is at equal distance from previous prime (447270667) and next prime (447270671).

It can be written as a sum of positive squares in 2 ways, for example, as 194937444 + 252333225 = 13962^2 + 15885^2 .

It is not a de Polignac number, because 447270669 - 2¹ = 447270667 is a prime.

It is a super-2 number, since 2×447270669² = 400102102695415122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447270661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13624 + ... + 32865.

Almost surely, 2^447270669 is an apocalyptic number.

It is an amenable number.

447270669 is a deficient number, since it is larger than the sum of its proper divisors (199405231).

447270669 is a wasteful number, since it uses less digits than its factorization.

447270669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47564 (or 47561 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 447270669 is about 21148.7746453548. The cubic root of 447270669 is about 764.7570213854.

The spelling of 447270669 in words is "four hundred forty-seven million, two hundred seventy thousand, six hundred sixty-nine".