6875687 has 8 divisors (see below), whose sum is σ = 8462496. Its totient is φ = 5440032.

The previous prime is 6875623. The next prime is 6875717. The reversal of 6875687 is 7865786.

6875687 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6875687 - 2⁶ = 6875623 is a prime.

6875687 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6875387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37688 + ... + 37869.

It is an arithmetic number, because the mean of its divisors is an integer number (1057812).

Almost surely, 2^6875687 is an apocalyptic number.

6875687 is a deficient number, since it is larger than the sum of its proper divisors (1586809).

6875687 is a wasteful number, since it uses less digits than its factorization.

6875687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75577.

The product of its digits is 564480, while the sum is 47.

The square root of 6875687 is about 2622.1531229125. The cubic root of 6875687 is about 190.1539564716.

Subtracting 6875687 from its reverse (7865786), we obtain a palindrome (990099).

The spelling of 6875687 in words is "six million, eight hundred seventy-five thousand, six hundred eighty-seven".