74173 has 6 divisors (see below), whose sum is σ = 81662. Its totient is φ = 67320.

The previous prime is 74167. The next prime is 74177. The reversal of 74173 is 37147.

It can be written as a sum of positive squares in only one way, i.e., 39204 + 34969 = 198^2 + 187^2 .

It is not a de Polignac number, because 74173 - 2¹³ = 65981 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 (74177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186 + ... + 427.

2⁷⁴¹⁷³ is an apocalyptic number.

It is an amenable number.

74173 is a deficient number, since it is larger than the sum of its proper divisors (7489).

74173 is a wasteful number, since it uses less digits than its factorization.

74173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 624 counting only the distinct ones).

The product of its digits is 588, while the sum is 22.

The square root of 74173 is about 272.3472048691. The cubic root of 74173 is about 42.0160558417.

The spelling of 74173 in words is "seventy-four thousand, one hundred seventy-three", and thus it is an iban number.