6868505 has 32 divisors (see below), whose sum is σ = 9987840. Its totient is φ = 4435200.

The previous prime is 6868489. The next prime is 6868507. The reversal of 6868505 is 5058686.

It is not a de Polignac number, because 6868505 - 2⁴ = 6868489 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868507) 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 31 ways as a sum of consecutive naturals, for example, 67955 + ... + 68055.

It is an arithmetic number, because the mean of its divisors is an integer number (312120).

Almost surely, 2^6868505 is an apocalyptic number.

It is an amenable number.

6868505 is a deficient number, since it is larger than the sum of its proper divisors (3119335).

6868505 is a wasteful number, since it uses less digits than its factorization.

6868505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 6868505 is about 2620.7832798612. The cubic root of 6868505 is about 190.0877249565.

The spelling of 6868505 in words is "six million, eight hundred sixty-eight thousand, five hundred five".