8722673 has 2 divisors, whose sum is σ = 8722674. Its totient is φ = 8722672.

The previous prime is 8722661. The next prime is 8722711. The reversal of 8722673 is 3762278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6697744 + 2024929 = 2588^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 8722673 - 2¹⁴ = 8706289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8722603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4361336 + 4361337.

It is an arithmetic number, because the mean of its divisors is an integer number (4361337).

Almost surely, 2^8722673 is an apocalyptic number.

It is an amenable number.

8722673 is a deficient number, since it is larger than the sum of its proper divisors (1).

8722673 is an equidigital number, since it uses as much as digits as its factorization.

8722673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 8722673 is about 2953.4171733773. The cubic root of 8722673 is about 205.8495224946.

The spelling of 8722673 in words is "eight million, seven hundred twenty-two thousand, six hundred seventy-three".