74131 has 2 divisors, whose sum is σ = 74132. Its totient is φ = 74130.

The previous prime is 74101. The next prime is 74143. The reversal of 74131 is 13147.

It is a strong prime.

It is an emirp because it is prime and its reverse (13147) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74131 - 2⁵ = 74099 is a prime.

It is a super-2 number, since 2×74131² = 10990810322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37065 + 37066.

It is an arithmetic number, because the mean of its divisors is an integer number (37066).

2⁷⁴¹³¹ is an apocalyptic number.

74131 is a deficient number, since it is larger than the sum of its proper divisors (1).

74131 is an equidigital number, since it uses as much as digits as its factorization.

74131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84, while the sum is 16.

The square root of 74131 is about 272.2700864950. The cubic root of 74131 is about 42.0081239009.

Adding to 74131 its sum of digits (16), we get a palindrome (74147).

Subtracting from 74131 its product of digits (84), we obtain a palindrome (74047).

Adding to 74131 its reverse (13147), we get a palindrome (87278).

The spelling of 74131 in words is "seventy-four thousand, one hundred thirty-one".