6679747 has 2 divisors, whose sum is σ = 6679748. Its totient is φ = 6679746.

The previous prime is 6679723. The next prime is 6679763. The reversal of 6679747 is 7479766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6679747 - 2⁷ = 6679619 is a prime.

6679747 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6679697 and 6679706.

It is not a weakly prime, because it can be changed into another prime (6679247) 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 as a sum of consecutive naturals, namely, 3339873 + 3339874.

It is an arithmetic number, because the mean of its divisors is an integer number (3339874).

Almost surely, 2^6679747 is an apocalyptic number.

6679747 is a deficient number, since it is larger than the sum of its proper divisors (1).

6679747 is an equidigital number, since it uses as much as digits as its factorization.

6679747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 46.

The square root of 6679747 is about 2584.5206518811. The cubic root of 6679747 is about 188.3302160099.

The spelling of 6679747 in words is "six million, six hundred seventy-nine thousand, seven hundred forty-seven".