73127669 has 2 divisors, whose sum is σ = 73127670. Its totient is φ = 73127668.

The previous prime is 73127633. The next prime is 73127683. The reversal of 73127669 is 96672137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66210769 + 6916900 = 8137^2 + 2630^2 .

It is a cyclic number.

It is not a de Polignac number, because 73127669 - 2²⁰ = 72079093 is a prime.

It is a super-2 number, since 2×73127669² = 10695311946747122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73127699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36563834 + 36563835.

It is an arithmetic number, because the mean of its divisors is an integer number (36563835).

Almost surely, 2^73127669 is an apocalyptic number.

It is an amenable number.

73127669 is a deficient number, since it is larger than the sum of its proper divisors (1).

73127669 is an equidigital number, since it uses as much as digits as its factorization.

73127669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 73127669 is about 8551.4717446765. The cubic root of 73127669 is about 418.1774179508.

The spelling of 73127669 in words is "seventy-three million, one hundred twenty-seven thousand, six hundred sixty-nine".