8665073 has 2 divisors, whose sum is σ = 8665074. Its totient is φ = 8665072.

The previous prime is 8665039. The next prime is 8665099. The reversal of 8665073 is 3705668.

It is a happy number.

8665073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7997584 + 667489 = 2828^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 8665073 - 2²² = 4470769 is a prime.

It is not a weakly prime, because it can be changed into another prime (8665373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4332536 + 4332537.

It is an arithmetic number, because the mean of its divisors is an integer number (4332537).

Almost surely, 2^8665073 is an apocalyptic number.

It is an amenable number.

8665073 is a deficient number, since it is larger than the sum of its proper divisors (1).

8665073 is an equidigital number, since it uses as much as digits as its factorization.

8665073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 8665073 is about 2943.6496055067. The cubic root of 8665073 is about 205.3954136958.

The spelling of 8665073 in words is "eight million, six hundred sixty-five thousand, seventy-three".