74162117 has 2 divisors, whose sum is σ = 74162118. Its totient is φ = 74162116.

The previous prime is 74162107. The next prime is 74162161. The reversal of 74162117 is 71126147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53377636 + 20784481 = 7306^2 + 4559^2 .

It is a cyclic number.

It is not a de Polignac number, because 74162117 - 2²⁶ = 7053253 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74162117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74162107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37081058 + 37081059.

It is an arithmetic number, because the mean of its divisors is an integer number (37081059).

Almost surely, 2^74162117 is an apocalyptic number.

It is an amenable number.

74162117 is a deficient number, since it is larger than the sum of its proper divisors (1).

74162117 is an equidigital number, since it uses as much as digits as its factorization.

74162117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 29.

The square root of 74162117 is about 8611.7429710831. The cubic root of 74162117 is about 420.1400081224.

The spelling of 74162117 in words is "seventy-four million, one hundred sixty-two thousand, one hundred seventeen".