73117169 has 2 divisors, whose sum is σ = 73117170. Its totient is φ = 73117168.

The previous prime is 73117151. The next prime is 73117183. The reversal of 73117169 is 96171137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68277169 + 4840000 = 8263^2 + 2200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73117169 is a prime.

It is a super-2 number, since 2×73117169² = 10692240805149122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73117129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36558584 + 36558585.

It is an arithmetic number, because the mean of its divisors is an integer number (36558585).

Almost surely, 2^73117169 is an apocalyptic number.

It is an amenable number.

73117169 is a deficient number, since it is larger than the sum of its proper divisors (1).

73117169 is an equidigital number, since it uses as much as digits as its factorization.

73117169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938, while the sum is 35.

The square root of 73117169 is about 8550.8577932275. The cubic root of 73117169 is about 418.1574023939.

The spelling of 73117169 in words is "seventy-three million, one hundred seventeen thousand, one hundred sixty-nine".