8372173 has 2 divisors, whose sum is σ = 8372174. Its totient is φ = 8372172.

The previous prime is 8372153. The next prime is 8372191. The reversal of 8372173 is 3712738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4674244 + 3697929 = 2162^2 + 1923^2 .

It is a cyclic number.

It is not a de Polignac number, because 8372173 - 2¹³ = 8363981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8372153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4186086 + 4186087.

It is an arithmetic number, because the mean of its divisors is an integer number (4186087).

Almost surely, 2^8372173 is an apocalyptic number.

It is an amenable number.

8372173 is a deficient number, since it is larger than the sum of its proper divisors (1).

8372173 is an equidigital number, since it uses as much as digits as its factorization.

8372173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 8372173 is about 2893.4707532650. The cubic root of 8372173 is about 203.0545527066.

The spelling of 8372173 in words is "eight million, three hundred seventy-two thousand, one hundred seventy-three".