74165 has 16 divisors (see below), whose sum is σ = 110208. Its totient is φ = 46656.

The previous prime is 74161. The next prime is 74167. The reversal of 74165 is 56147.

It is a cyclic number.

It is not a de Polignac number, because 74165 - 2² = 74161 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (6888).

2⁷⁴¹⁶⁵ is an apocalyptic number.

It is an amenable number.

74165 is a deficient number, since it is larger than the sum of its proper divisors (36043).

74165 is a wasteful number, since it uses less digits than its factorization.

74165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188.

The product of its digits is 840, while the sum is 23.

The square root of 74165 is about 272.3325173386. The cubic root of 74165 is about 42.0145452267.

The spelling of 74165 in words is "seventy-four thousand, one hundred sixty-five".