6768745 has 8 divisors (see below), whose sum is σ = 8402760. Its totient is φ = 5228160.

The previous prime is 6768721. The next prime is 6768761. The reversal of 6768745 is 5478676.

It can be written as a sum of positive squares in 4 ways, for example, as 2832489 + 3936256 = 1683^2 + 1984^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6768745 - 2¹³ = 6760553 is a prime.

6768745 is a lucky number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23196 + ... + 23485.

It is an arithmetic number, because the mean of its divisors is an integer number (1050345).

Almost surely, 2^6768745 is an apocalyptic number.

It is an amenable number.

6768745 is a deficient number, since it is larger than the sum of its proper divisors (1634015).

6768745 is a wasteful number, since it uses less digits than its factorization.

6768745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46715.

The product of its digits is 282240, while the sum is 43.

The square root of 6768745 is about 2601.6811872326. The cubic root of 6768745 is about 189.1629381641.

The spelling of 6768745 in words is "six million, seven hundred sixty-eight thousand, seven hundred forty-five".