6900679 has 2 divisors, whose sum is σ = 6900680. Its totient is φ = 6900678.

The previous prime is 6900659. The next prime is 6900689. The reversal of 6900679 is 9760096.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6900679 is a prime.

It is a super-2 number, since 2×6900679² = 95238741322082, which contains 22 as substring.

6900679 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6900659) 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, 3450339 + 3450340.

It is an arithmetic number, because the mean of its divisors is an integer number (3450340).

Almost surely, 2^6900679 is an apocalyptic number.

6900679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900679 is an equidigital number, since it uses as much as digits as its factorization.

6900679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 6900679 is about 2626.9143495744. The cubic root of 6900679 is about 190.3840707521.

The spelling of 6900679 in words is "six million, nine hundred thousand, six hundred seventy-nine".