6761887 has 4 divisors (see below), whose sum is σ = 7376616. Its totient is φ = 6147160.

The previous prime is 6761873. The next prime is 6761897. The reversal of 6761887 is 7881676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6761887 - 2⁷ = 6761759 is a prime.

It is a Duffinian number.

6761887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6761897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307348 + ... + 307369.

It is an arithmetic number, because the mean of its divisors is an integer number (1844154).

Almost surely, 2^6761887 is an apocalyptic number.

6761887 is a deficient number, since it is larger than the sum of its proper divisors (614729).

6761887 is a wasteful number, since it uses less digits than its factorization.

6761887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614728.

The product of its digits is 112896, while the sum is 43.

The square root of 6761887 is about 2600.3628592948. The cubic root of 6761887 is about 189.0990308073.

The spelling of 6761887 in words is "six million, seven hundred sixty-one thousand, eight hundred eighty-seven".