74099117 has 2 divisors, whose sum is σ = 74099118. Its totient is φ = 74099116.

The previous prime is 74099111. The next prime is 74099131. The reversal of 74099117 is 71199047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50779876 + 23319241 = 7126^2 + 4829^2 .

It is a cyclic number.

It is not a de Polignac number, because 74099117 - 2¹⁶ = 74033581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74099111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37049558 + 37049559.

It is an arithmetic number, because the mean of its divisors is an integer number (37049559).

Almost surely, 2^74099117 is an apocalyptic number.

It is an amenable number.

74099117 is a deficient number, since it is larger than the sum of its proper divisors (1).

74099117 is an equidigital number, since it uses as much as digits as its factorization.

74099117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 74099117 is about 8608.0843978205. The cubic root of 74099117 is about 420.0210061300.

The spelling of 74099117 in words is "seventy-four million, ninety-nine thousand, one hundred seventeen".