74005165 has 16 divisors (see below), whose sum is σ = 101264688. Its totient is φ = 51434496.

The previous prime is 74005157. The next prime is 74005177. The reversal of 74005165 is 56150047.

It can be written as a sum of positive squares in 8 ways, for example, as 5098564 + 68906601 = 2258^2 + 8301^2 .

It is a cyclic number.

It is not a de Polignac number, because 74005165 - 2³ = 74005157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32382 + ... + 34591.

It is an arithmetic number, because the mean of its divisors is an integer number (6329043).

Almost surely, 2^74005165 is an apocalyptic number.

It is an amenable number.

74005165 is a deficient number, since it is larger than the sum of its proper divisors (27259523).

74005165 is a wasteful number, since it uses less digits than its factorization.

74005165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67008.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 74005165 is about 8602.6254713314. The cubic root of 74005165 is about 419.8434129048.

The spelling of 74005165 in words is "seventy-four million, five thousand, one hundred sixty-five".