6768725 has 6 divisors (see below), whose sum is σ = 8393250. Its totient is φ = 5414960.

The previous prime is 6768721. The next prime is 6768761. The reversal of 6768725 is 5278676.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13924 + 6754801 = 118^2 + 2599^2 .

It is not a de Polignac number, because 6768725 - 2² = 6768721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6768721) 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 5 ways as a sum of consecutive naturals, for example, 135350 + ... + 135399.

It is an arithmetic number, because the mean of its divisors is an integer number (1398875).

Almost surely, 2^6768725 is an apocalyptic number.

It is an amenable number.

6768725 is a deficient number, since it is larger than the sum of its proper divisors (1624525).

6768725 is a wasteful number, since it uses less digits than its factorization.

6768725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270759 (or 270754 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 6768725 is about 2601.6773435613. The cubic root of 6768725 is about 189.1627518537.

The spelling of 6768725 in words is "six million, seven hundred sixty-eight thousand, seven hundred twenty-five".