6887705 has 8 divisors (see below), whose sum is σ = 9016704. Its totient is φ = 5009200.

The previous prime is 6887681. The next prime is 6887753. The reversal of 6887705 is 5077886.

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

It is a de Polignac number, because none of the positive numbers 2^k-6887705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62561 + ... + 62670.

It is an arithmetic number, because the mean of its divisors is an integer number (1127088).

Almost surely, 2^6887705 is an apocalyptic number.

It is an amenable number.

6887705 is a deficient number, since it is larger than the sum of its proper divisors (2128999).

6887705 is a wasteful number, since it uses less digits than its factorization.

6887705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125247.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 6887705 is about 2624.4437505879. The cubic root of 6887705 is about 190.2646818952.

The spelling of 6887705 in words is "six million, eight hundred eighty-seven thousand, seven hundred five".