74811693 has 16 divisors (see below), whose sum is σ = 109057536. Its totient is φ = 45240240.

The previous prime is 74811689. The next prime is 74811703. The reversal of 74811693 is 39611847.

It is not a de Polignac number, because 74811693 - 2² = 74811689 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74811613) 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 15 ways as a sum of consecutive naturals, for example, 14346 + ... + 18852.

It is an arithmetic number, because the mean of its divisors is an integer number (6816096).

Almost surely, 2^74811693 is an apocalyptic number.

It is an amenable number.

74811693 is a deficient number, since it is larger than the sum of its proper divisors (34245843).

74811693 is a wasteful number, since it uses less digits than its factorization.

74811693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024.

The product of its digits is 36288, while the sum is 39.

The square root of 74811693 is about 8649.3752953609. The cubic root of 74811693 is about 421.3630940201.

The spelling of 74811693 in words is "seventy-four million, eight hundred eleven thousand, six hundred ninety-three".