74082691 has 8 divisors (see below), whose sum is σ = 78545600. Its totient is φ = 69676200.

The previous prime is 74082689. The next prime is 74082707. The reversal of 74082691 is 19628047.

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 74082691 - 2¹ = 74082689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74082691.

It is not an unprimeable number, because it can be changed into a prime (74082611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11385 + ... + 16666.

It is an arithmetic number, because the mean of its divisors is an integer number (9818200).

Almost surely, 2^74082691 is an apocalyptic number.

74082691 is a deficient number, since it is larger than the sum of its proper divisors (4462909).

74082691 is a wasteful number, since it uses less digits than its factorization.

74082691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28209.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 74082691 is about 8607.1302418402. The cubic root of 74082691 is about 419.9899676364.

The spelling of 74082691 in words is "seventy-four million, eighty-two thousand, six hundred ninety-one".