6768143 has 4 divisors (see below), whose sum is σ = 6781608. Its totient is φ = 6754680.

The previous prime is 6768131. The next prime is 6768149. The reversal of 6768143 is 3418676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6768143 - 2⁴ = 6768127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6768149) 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, 5948 + ... + 6993.

It is an arithmetic number, because the mean of its divisors is an integer number (1695402).

Almost surely, 2^6768143 is an apocalyptic number.

6768143 is a deficient number, since it is larger than the sum of its proper divisors (13465).

6768143 is a wasteful number, since it uses less digits than its factorization.

6768143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13464.

The product of its digits is 24192, while the sum is 35.

The square root of 6768143 is about 2601.5654902385. The cubic root of 6768143 is about 189.1573300607.

The spelling of 6768143 in words is "six million, seven hundred sixty-eight thousand, one hundred forty-three".