74536117 has 2 divisors, whose sum is σ = 74536118. Its totient is φ = 74536116.

The previous prime is 74536103. The next prime is 74536141. The reversal of 74536117 is 71163547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71470116 + 3066001 = 8454^2 + 1751^2 .

It is a cyclic number.

It is not a de Polignac number, because 74536117 - 2²³ = 66147509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74536817) 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, 37268058 + 37268059.

It is an arithmetic number, because the mean of its divisors is an integer number (37268059).

Almost surely, 2^74536117 is an apocalyptic number.

It is an amenable number.

74536117 is a deficient number, since it is larger than the sum of its proper divisors (1).

74536117 is an equidigital number, since it uses as much as digits as its factorization.

74536117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 34.

The square root of 74536117 is about 8633.4301989418. The cubic root of 74536117 is about 420.8450804115.

The spelling of 74536117 in words is "seventy-four million, five hundred thirty-six thousand, one hundred seventeen".