6861670 has 16 divisors (see below), whose sum is σ = 12402720. Its totient is φ = 2733184.

The previous prime is 6861629. The next prime is 6861691. The reversal of 6861670 is 761686.

It is a nialpdrome in base 14.

It is a congruent 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, 1326 + ... + 3934.

It is an arithmetic number, because the mean of its divisors is an integer number (775170).

Almost surely, 2^6861670 is an apocalyptic number.

6861670 is a deficient number, since it is larger than the sum of its proper divisors (5541050).

6861670 is a wasteful number, since it uses less digits than its factorization.

6861670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 6861670 is about 2619.4789558231. The cubic root of 6861670 is about 190.0246505413.

It can be divided in two parts, 68616 and 70, that added together give a palindrome (68686).

The spelling of 6861670 in words is "six million, eight hundred sixty-one thousand, six hundred seventy".