6867645 has 16 divisors (see below), whose sum is σ = 11567040. Its totient is φ = 3469824.

The previous prime is 6867629. The next prime is 6867649. The reversal of 6867645 is 5467686.

It is a happy number.

It is not a de Polignac number, because 6867645 - 2⁴ = 6867629 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6867597 and 6867606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6867649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11764 + ... + 12333.

It is an arithmetic number, because the mean of its divisors is an integer number (722940).

Almost surely, 2^6867645 is an apocalyptic number.

It is an amenable number.

6867645 is a deficient number, since it is larger than the sum of its proper divisors (4699395).

6867645 is a wasteful number, since it uses less digits than its factorization.

6867645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24124.

The product of its digits is 241920, while the sum is 42.

The square root of 6867645 is about 2620.6192016392. The cubic root of 6867645 is about 190.0797910482.

The spelling of 6867645 in words is "six million, eight hundred sixty-seven thousand, six hundred forty-five".