6749159 has 2 divisors, whose sum is σ = 6749160. Its totient is φ = 6749158.

The previous prime is 6749131. The next prime is 6749173. The reversal of 6749159 is 9519476.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6749159 is a prime.

It is a super-2 number, since 2×6749159² = 91102294414562, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6 + 7⁴ + 4⁶ + 9⁴ + 1 + 5⁹ + 9⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6749129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3374579 + 3374580.

It is an arithmetic number, because the mean of its divisors is an integer number (3374580).

Almost surely, 2^6749159 is an apocalyptic number.

6749159 is a deficient number, since it is larger than the sum of its proper divisors (1).

6749159 is an equidigital number, since it uses as much as digits as its factorization.

6749159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 6749159 is about 2597.9143557862. The cubic root of 6749159 is about 188.9803083167.

The spelling of 6749159 in words is "six million, seven hundred forty-nine thousand, one hundred fifty-nine".