447470417 has 2 divisors, whose sum is σ = 447470418. Its totient is φ = 447470416.

The previous prime is 447470411. The next prime is 447470437. The reversal of 447470417 is 714074744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412943041 + 34527376 = 20321^2 + 5876^2 .

It is a cyclic number.

It is not a de Polignac number, because 447470417 - 2²⁴ = 430693201 is a prime.

It is not a weakly prime, because it can be changed into another prime (447470411) 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 as a sum of consecutive naturals, namely, 223735208 + 223735209.

It is an arithmetic number, because the mean of its divisors is an integer number (223735209).

Almost surely, 2^447470417 is an apocalyptic number.

It is an amenable number.

447470417 is a deficient number, since it is larger than the sum of its proper divisors (1).

447470417 is an equidigital number, since it uses as much as digits as its factorization.

447470417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87808, while the sum is 38.

The square root of 447470417 is about 21153.4965667617. The cubic root of 447470417 is about 764.8708495148.

The spelling of 447470417 in words is "four hundred forty-seven million, four hundred seventy thousand, four hundred seventeen".