6787441 has 2 divisors, whose sum is σ = 6787442. Its totient is φ = 6787440.

The previous prime is 6787439. The next prime is 6787453. The reversal of 6787441 is 1447876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6630625 + 156816 = 2575^2 + 396^2 .

It is a cyclic number.

It is not a de Polignac number, because 6787441 - 2¹ = 6787439 is a prime.

Together with 6787439, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6787441.

It is not a weakly prime, because it can be changed into another prime (6787141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393720 + 3393721.

It is an arithmetic number, because the mean of its divisors is an integer number (3393721).

Almost surely, 2^6787441 is an apocalyptic number.

It is an amenable number.

6787441 is a deficient number, since it is larger than the sum of its proper divisors (1).

6787441 is an equidigital number, since it uses as much as digits as its factorization.

6787441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 37.

The square root of 6787441 is about 2605.2717708523. The cubic root of 6787441 is about 189.3369408353.

The spelling of 6787441 in words is "six million, seven hundred eighty-seven thousand, four hundred forty-one".