73930169 has 2 divisors, whose sum is σ = 73930170. Its totient is φ = 73930168.

The previous prime is 73930141. The next prime is 73930183. The reversal of 73930169 is 96103937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73736569 + 193600 = 8587^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 73930169 - 2⁸ = 73929913 is a prime.

It is a super-2 number, since 2×73930169² = 10931339776737122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73930139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36965084 + 36965085.

It is an arithmetic number, because the mean of its divisors is an integer number (36965085).

Almost surely, 2^73930169 is an apocalyptic number.

It is an amenable number.

73930169 is a deficient number, since it is larger than the sum of its proper divisors (1).

73930169 is an equidigital number, since it uses as much as digits as its factorization.

73930169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 73930169 is about 8598.2654646155. The cubic root of 73930169 is about 419.7015434437.

The spelling of 73930169 in words is "seventy-three million, nine hundred thirty thousand, one hundred sixty-nine".