6768761 has 2 divisors, whose sum is σ = 6768762. Its totient is φ = 6768760.

The previous prime is 6768721. The next prime is 6768781. The reversal of 6768761 is 1678676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5221225 + 1547536 = 2285^2 + 1244^2 .

It is a cyclic number.

It is not a de Polignac number, because 6768761 - 2¹⁴ = 6752377 is a prime.

It is a super-2 number, since 2×6768761² = 91632250950242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6768701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384380 + 3384381.

It is an arithmetic number, because the mean of its divisors is an integer number (3384381).

Almost surely, 2^6768761 is an apocalyptic number.

It is an amenable number.

6768761 is a deficient number, since it is larger than the sum of its proper divisors (1).

6768761 is an equidigital number, since it uses as much as digits as its factorization.

6768761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 6768761 is about 2601.6842621656. The cubic root of 6768761 is about 189.1630872121.

The spelling of 6768761 in words is "six million, seven hundred sixty-eight thousand, seven hundred sixty-one".