6775641 has 12 divisors (see below), whose sum is σ = 9922068. Its totient is φ = 4454784.

The previous prime is 6775633. The next prime is 6775663. The reversal of 6775641 is 1465776.

6775641 is a `hidden beast` number, since 6 + 7 + 7 + 5 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3316041 + 3459600 = 1821^2 + 1860^2 .

It is not a de Polignac number, because 6775641 - 2³ = 6775633 is a prime.

6775641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6775596 and 6775605.

It is not an unprimeable number, because it can be changed into a prime (6775441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4500 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (826839).

Almost surely, 2^6775641 is an apocalyptic number.

It is an amenable number.

6775641 is a deficient number, since it is larger than the sum of its proper divisors (3146427).

6775641 is a wasteful number, since it uses less digits than its factorization.

6775641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10392 (or 10389 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 6775641 is about 2603.0061467465. The cubic root of 6775641 is about 189.2271561186.

The spelling of 6775641 in words is "six million, seven hundred seventy-five thousand, six hundred forty-one".