8427173 has 2 divisors, whose sum is σ = 8427174. Its totient is φ = 8427172.

The previous prime is 8427163. The next prime is 8427191. The reversal of 8427173 is 3717248.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7656289 + 770884 = 2767^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 8427173 - 2⁶ = 8427109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8427103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4213586 + 4213587.

It is an arithmetic number, because the mean of its divisors is an integer number (4213587).

Almost surely, 2^8427173 is an apocalyptic number.

It is an amenable number.

8427173 is a deficient number, since it is larger than the sum of its proper divisors (1).

8427173 is an equidigital number, since it uses as much as digits as its factorization.

8427173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 8427173 is about 2902.9593521095. The cubic root of 8427173 is about 203.4982301782.

The spelling of 8427173 in words is "eight million, four hundred twenty-seven thousand, one hundred seventy-three".