74065091 has 8 divisors (see below), whose sum is σ = 75927360. Its totient is φ = 72214848.

The previous prime is 74065063. The next prime is 74065109. The reversal of 74065091 is 19056047.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74065091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74065051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10175 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (9490920).

Almost surely, 2^74065091 is an apocalyptic number.

74065091 is a deficient number, since it is larger than the sum of its proper divisors (1862269).

74065091 is a wasteful number, since it uses less digits than its factorization.

74065091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6013.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 74065091 is about 8606.1077729715. The cubic root of 74065091 is about 419.9567056658.

The spelling of 74065091 in words is "seventy-four million, sixty-five thousand, ninety-one".