74411131 has 4 divisors (see below), whose sum is σ = 74429064. Its totient is φ = 74393200.

The previous prime is 74411123. The next prime is 74411137. The reversal of 74411131 is 13111447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13111447 = 797 ⋅16451.

It is a cyclic number.

It is not a de Polignac number, because 74411131 - 2³ = 74411123 is a prime.

It is a super-2 number, since 2×74411131² = 11074032833398322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74411137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816 + ... + 12226.

It is an arithmetic number, because the mean of its divisors is an integer number (18607266).

It is a Poulet number, since it divides 2^74411130-1.

Almost surely, 2^74411131 is an apocalyptic number.

74411131 is a deficient number, since it is larger than the sum of its proper divisors (17933).

74411131 is a wasteful number, since it uses less digits than its factorization.

74411131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17932.

The product of its digits is 336, while the sum is 22.

The square root of 74411131 is about 8626.1886717136. The cubic root of 74411131 is about 420.6097172371.

Adding to 74411131 its reverse (13111447), we get a palindrome (87522578).

The spelling of 74411131 in words is "seventy-four million, four hundred eleven thousand, one hundred thirty-one".