74191 has 6 divisors (see below), whose sum is σ = 80520. Its totient is φ = 68328.

The previous prime is 74189. The next prime is 74197. The reversal of 74191 is 19147.

It is not a de Polignac number, because 74191 - 2¹ = 74189 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 (74197) 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, 51 + ... + 388.

It is an arithmetic number, because the mean of its divisors is an integer number (13420).

2⁷⁴¹⁹¹ is an apocalyptic number.

74191 is a deficient number, since it is larger than the sum of its proper divisors (6329).

74191 is a wasteful number, since it uses less digits than its factorization.

74191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 452 counting only the distinct ones).

The product of its digits is 252, while the sum is 22.

The square root of 74191 is about 272.3802489168. The cubic root of 74191 is about 42.0194543283.

The spelling of 74191 in words is "seventy-four thousand, one hundred ninety-one".