9782173 has 2 divisors, whose sum is σ = 9782174. Its totient is φ = 9782172.

The previous prime is 9782137. The next prime is 9782209. The reversal of 9782173 is 3712879.

9782173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (9782137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (9782137) and next prime (9782209).

It can be written as a sum of positive squares in only one way, i.e., 7991929 + 1790244 = 2827^2 + 1338^2 .

It is a cyclic number.

It is not a de Polignac number, because 9782173 - 2⁹ = 9781661 is a prime.

9782173 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9782273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4891086 + 4891087.

It is an arithmetic number, because the mean of its divisors is an integer number (4891087).

Almost surely, 2^9782173 is an apocalyptic number.

It is an amenable number.

9782173 is a deficient number, since it is larger than the sum of its proper divisors (1).

9782173 is an equidigital number, since it uses as much as digits as its factorization.

9782173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 9782173 is about 3127.6465593158. The cubic root of 9782173 is about 213.8676577141.

The spelling of 9782173 in words is "nine million, seven hundred eighty-two thousand, one hundred seventy-three".