6870786 has 32 divisors (see below), whose sum is σ = 15059520. Its totient is φ = 2076864.

The previous prime is 6870781. The next prime is 6870797.

6870786 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6870781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3856 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (470610).

Almost surely, 2^6870786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6870786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7529760).

6870786 is an abundant number, since it is smaller than the sum of its proper divisors (8188734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6870786 is a wasteful number, since it uses less digits than its factorization.

6870786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 6870786 is about 2621.2184189800. The cubic root of 6870786 is about 190.1087650573.

The spelling of 6870786 in words is "six million, eight hundred seventy thousand, seven hundred eighty-six".