6866707 has 4 divisors (see below), whose sum is σ = 7103520. Its totient is φ = 6629896.

The previous prime is 6866693. The next prime is 6866723. The reversal of 6866707 is 7076686.

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 6866707 - 2¹⁹ = 6342419 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 6866707.

It is not an unprimeable number, because it can be changed into a prime (6866767) 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 3 ways as a sum of consecutive naturals, for example, 118363 + ... + 118420.

It is an arithmetic number, because the mean of its divisors is an integer number (1775880).

Almost surely, 2^6866707 is an apocalyptic number.

6866707 is a deficient number, since it is larger than the sum of its proper divisors (236813).

6866707 is a wasteful number, since it uses less digits than its factorization.

6866707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236812.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 6866707 is about 2620.4402301903. The cubic root of 6866707 is about 190.0711367977.

The spelling of 6866707 in words is "six million, eight hundred sixty-six thousand, seven hundred seven".