74606131 has 2 divisors, whose sum is σ = 74606132. Its totient is φ = 74606130.

The previous prime is 74606113. The next prime is 74606137. The reversal of 74606131 is 13160647.

Together with previous prime (74606113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74606131 - 2¹¹ = 74604083 is a prime.

It is a super-2 number, since 2×74606131² = 11132149565578322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74606131.

It is not a weakly prime, because it can be changed into another prime (74606137) 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 as a sum of consecutive naturals, namely, 37303065 + 37303066.

It is an arithmetic number, because the mean of its divisors is an integer number (37303066).

Almost surely, 2^74606131 is an apocalyptic number.

74606131 is a deficient number, since it is larger than the sum of its proper divisors (1).

74606131 is an equidigital number, since it uses as much as digits as its factorization.

74606131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 74606131 is about 8637.4840665555. The cubic root of 74606131 is about 420.9768099571.

Adding to 74606131 its reverse (13160647), we get a palindrome (87766778).

The spelling of 74606131 in words is "seventy-four million, six hundred six thousand, one hundred thirty-one".