6865782 has 72 divisors (see below), whose sum is σ = 17648568. Its totient is φ = 1774080.

The previous prime is 6865769. The next prime is 6865847. The reversal of 6865782 is 2875686.

6865782 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35478 + ... + 35670.

It is an arithmetic number, because the mean of its divisors is an integer number (245119).

Almost surely, 2^6865782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6865782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8824284).

6865782 is an abundant number, since it is smaller than the sum of its proper divisors (10782786).

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

6865782 is a wasteful number, since it uses less digits than its factorization.

6865782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 216 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 6865782 is about 2620.2637271847. The cubic root of 6865782 is about 190.0626017169.

The spelling of 6865782 in words is "six million, eight hundred sixty-five thousand, seven hundred eighty-two".