74516691 has 8 divisors (see below), whose sum is σ = 99403200. Its totient is φ = 49653992.

The previous prime is 74516681. The next prime is 74516699. The reversal of 74516691 is 19661547.

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-74516691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74516699) 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, 3496 + ... + 12698.

It is an arithmetic number, because the mean of its divisors is an integer number (12425400).

Almost surely, 2^74516691 is an apocalyptic number.

74516691 is a deficient number, since it is larger than the sum of its proper divisors (24886509).

74516691 is a wasteful number, since it uses less digits than its factorization.

74516691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11905.

The product of its digits is 45360, while the sum is 39.

The square root of 74516691 is about 8632.3050803363. The cubic root of 74516691 is about 420.8085162723.

The spelling of 74516691 in words is "seventy-four million, five hundred sixteen thousand, six hundred ninety-one".