6868247 has 2 divisors, whose sum is σ = 6868248. Its totient is φ = 6868246.

The previous prime is 6868243. The next prime is 6868297. The reversal of 6868247 is 7428686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6868247 - 2² = 6868243 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6 + 8 + 6⁶ + 8 + 2¹³ + 4¹⁰ + 7⁸ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6868241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434123 + 3434124.

It is an arithmetic number, because the mean of its divisors is an integer number (3434124).

Almost surely, 2^6868247 is an apocalyptic number.

6868247 is a deficient number, since it is larger than the sum of its proper divisors (1).

6868247 is an equidigital number, since it uses as much as digits as its factorization.

6868247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 6868247 is about 2620.7340574732. The cubic root of 6868247 is about 190.0853448536.

The spelling of 6868247 in words is "six million, eight hundred sixty-eight thousand, two hundred forty-seven".