36173 has 4 divisors (see below), whose sum is σ = 36828. Its totient is φ = 35520.

The previous prime is 36161. The next prime is 36187. The reversal of 36173 is 37163.

36173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37163 = 7 ⋅5309.

It can be written as a sum of positive squares in 2 ways, for example, as 9604 + 26569 = 98^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 36173 - 2⁶ = 36109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 357.

It is an arithmetic number, because the mean of its divisors is an integer number (9207).

2³⁶¹⁷³ is an apocalyptic number.

It is an amenable number.

36173 is a deficient number, since it is larger than the sum of its proper divisors (655).

36173 is an equidigital number, since it uses as much as digits as its factorization.

36173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its digits is 378, while the sum is 20.

The square root of 36173 is about 190.1920082443. The cubic root of 36173 is about 33.0720799721.

Subtracting 36173 from its reverse (37163), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 361 and 73, that added together give a palindrome (434).

The spelling of 36173 in words is "thirty-six thousand, one hundred seventy-three".