5776721 has 2 divisors, whose sum is σ = 5776722. Its totient is φ = 5776720.

The previous prime is 5776679. The next prime is 5776759. The reversal of 5776721 is 1276775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3330625 + 2446096 = 1825^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 5776721 - 2¹⁰ = 5775697 is a prime.

It is not a weakly prime, because it can be changed into another prime (5776021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2888360 + 2888361.

It is an arithmetic number, because the mean of its divisors is an integer number (2888361).

Almost surely, 2^5776721 is an apocalyptic number.

It is an amenable number.

5776721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5776721 is an equidigital number, since it uses as much as digits as its factorization.

5776721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20580, while the sum is 35.

The square root of 5776721 is about 2403.4810171915. The cubic root of 5776721 is about 179.4294796215.

The spelling of 5776721 in words is "five million, seven hundred seventy-six thousand, seven hundred twenty-one".