6768181 has 4 divisors (see below), whose sum is σ = 7735072. Its totient is φ = 5801292.

The previous prime is 6768163. The next prime is 6768191. The reversal of 6768181 is 1818676.

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 not a de Polignac number, because 6768181 - 2⁵ = 6768149 is a prime.

It is a super-2 number, since 2×6768181² = 91616548097522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6768181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6768131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483435 + ... + 483448.

It is an arithmetic number, because the mean of its divisors is an integer number (1933768).

Almost surely, 2^6768181 is an apocalyptic number.

It is an amenable number.

6768181 is a deficient number, since it is larger than the sum of its proper divisors (966891).

6768181 is an equidigital number, since it uses as much as digits as its factorization.

6768181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966890.

The product of its digits is 16128, while the sum is 37.

The square root of 6768181 is about 2601.5727935232. The cubic root of 6768181 is about 189.1576840704.

The spelling of 6768181 in words is "six million, seven hundred sixty-eight thousand, one hundred eighty-one".