74091117 has 8 divisors (see below), whose sum is σ = 104599296. Its totient is φ = 46488512.

The previous prime is 74091097. The next prime is 74091133. The reversal of 74091117 is 71119047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74091117 - 2¹⁴ = 74074733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74091137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726333 + ... + 726434.

It is an arithmetic number, because the mean of its divisors is an integer number (13074912).

Almost surely, 2^74091117 is an apocalyptic number.

It is an amenable number.

74091117 is a deficient number, since it is larger than the sum of its proper divisors (30508179).

74091117 is a wasteful number, since it uses less digits than its factorization.

74091117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452787.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 74091117 is about 8607.6197058188. The cubic root of 74091117 is about 420.0058899401.

The spelling of 74091117 in words is "seventy-four million, ninety-one thousand, one hundred seventeen".