8217073 has 2 divisors, whose sum is σ = 8217074. Its totient is φ = 8217072.

The previous prime is 8217047. The next prime is 8217089. The reversal of 8217073 is 3707128.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7491169 + 725904 = 2737^2 + 852^2 .

It is a cyclic number.

It is not a de Polignac number, because 8217073 - 2⁹ = 8216561 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8217023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108536 + 4108537.

It is an arithmetic number, because the mean of its divisors is an integer number (4108537).

Almost surely, 2^8217073 is an apocalyptic number.

It is an amenable number.

8217073 is a deficient number, since it is larger than the sum of its proper divisors (1).

8217073 is an equidigital number, since it uses as much as digits as its factorization.

8217073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 8217073 is about 2866.5437376743. The cubic root of 8217073 is about 201.7928225817.

The spelling of 8217073 in words is "eight million, two hundred seventeen thousand, seventy-three".