6768945 has 24 divisors (see below), whose sum is σ = 11793600. Its totient is φ = 3591456.

The previous prime is 6768917. The next prime is 6768947. The reversal of 6768945 is 5498676.

It is not a de Polignac number, because 6768945 - 2⁸ = 6768689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a d-powerful number, because it can be written as 6 + 7 + 6 + 8⁵ + 9⁷ + 4³ + 5⁹ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6768945.

It is not an unprimeable number, because it can be changed into a prime (6768947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15946 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^6768945 is an apocalyptic number.

It is an amenable number.

6768945 is a deficient number, since it is larger than the sum of its proper divisors (5024655).

6768945 is a wasteful number, since it uses less digits than its factorization.

6768945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 786 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6768945 is about 2601.7196236336. The cubic root of 6768945 is about 189.1648012478.

The spelling of 6768945 in words is "six million, seven hundred sixty-eight thousand, nine hundred forty-five".