6756961 has 2 divisors, whose sum is σ = 6756962. Its totient is φ = 6756960.

The previous prime is 6756941. The next prime is 6756979. The reversal of 6756961 is 1696576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4950625 + 1806336 = 2225^2 + 1344^2 .

It is a cyclic number.

It is not a de Polignac number, because 6756961 - 2⁷ = 6756833 is a prime.

6756961 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6756901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3378480 + 3378481.

It is an arithmetic number, because the mean of its divisors is an integer number (3378481).

Almost surely, 2^6756961 is an apocalyptic number.

It is an amenable number.

6756961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6756961 is an equidigital number, since it uses as much as digits as its factorization.

6756961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 6756961 is about 2599.4155112256. The cubic root of 6756961 is about 189.0531004274.

The spelling of 6756961 in words is "six million, seven hundred fifty-six thousand, nine hundred sixty-one".