6788641 has 4 divisors (see below), whose sum is σ = 6890032. Its totient is φ = 6687252.

The previous prime is 6788609. The next prime is 6788647. The reversal of 6788641 is 1468876.

6788641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6788641 - 2⁵ = 6788609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6788594 and 6788603.

It is not an unprimeable number, because it can be changed into a prime (6788647) 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 in 3 ways as a sum of consecutive naturals, for example, 50595 + ... + 50728.

It is an arithmetic number, because the mean of its divisors is an integer number (1722508).

Almost surely, 2^6788641 is an apocalyptic number.

It is an amenable number.

6788641 is a deficient number, since it is larger than the sum of its proper divisors (101391).

6788641 is a wasteful number, since it uses less digits than its factorization.

6788641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101390.

The product of its digits is 64512, while the sum is 40.

The square root of 6788641 is about 2605.5020629430. The cubic root of 6788641 is about 189.3480982529.

The spelling of 6788641 in words is "six million, seven hundred eighty-eight thousand, six hundred forty-one".