74679691 has 8 divisors (see below), whose sum is σ = 80912304. Its totient is φ = 68651520.

The previous prime is 74679641. The next prime is 74679701. The reversal of 74679691 is 19697647.

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 74679691 - 2⁹ = 74679179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74679601) 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, 50350 + ... + 51811.

It is an arithmetic number, because the mean of its divisors is an integer number (10114038).

Almost surely, 2^74679691 is an apocalyptic number.

74679691 is a deficient number, since it is larger than the sum of its proper divisors (6232613).

74679691 is a wasteful number, since it uses less digits than its factorization.

74679691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102221.

The product of its digits is 571536, while the sum is 49.

The square root of 74679691 is about 8641.7412018644. The cubic root of 74679691 is about 421.1151224598.

The spelling of 74679691 in words is "seventy-four million, six hundred seventy-nine thousand, six hundred ninety-one".