8120773 has 2 divisors, whose sum is σ = 8120774. Its totient is φ = 8120772.

The previous prime is 8120759. The next prime is 8120779. The reversal of 8120773 is 3770218.

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., 6723649 + 1397124 = 2593^2 + 1182^2 .

It is a cyclic number.

It is not a de Polignac number, because 8120773 - 2⁵ = 8120741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8120779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060386 + 4060387.

It is an arithmetic number, because the mean of its divisors is an integer number (4060387).

Almost surely, 2^8120773 is an apocalyptic number.

It is an amenable number.

8120773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8120773 is an equidigital number, since it uses as much as digits as its factorization.

8120773 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8120773 is about 2849.6970014372. The cubic root of 8120773 is about 201.0014190968.

The spelling of 8120773 in words is "eight million, one hundred twenty thousand, seven hundred seventy-three".