73164569 has 2 divisors, whose sum is σ = 73164570. Its totient is φ = 73164568.

The previous prime is 73164529. The next prime is 73164589. The reversal of 73164569 is 96546137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72505225 + 659344 = 8515^2 + 812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73164569 is a prime.

It is a super-2 number, since 2×73164569² = 10706108313911522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73164529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36582284 + 36582285.

It is an arithmetic number, because the mean of its divisors is an integer number (36582285).

Almost surely, 2^73164569 is an apocalyptic number.

It is an amenable number.

73164569 is a deficient number, since it is larger than the sum of its proper divisors (1).

73164569 is an equidigital number, since it uses as much as digits as its factorization.

73164569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 73164569 is about 8553.6289959292. The cubic root of 73164569 is about 418.2477431424.

The spelling of 73164569 in words is "seventy-three million, one hundred sixty-four thousand, five hundred sixty-nine".