6771870 has 64 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 1547424.

The previous prime is 6771803. The next prime is 6771871. The reversal of 6771870 is 781776.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99 + ... + 3681.

It is an arithmetic number, because the mean of its divisors is an integer number (322560).

Almost surely, 2^6771870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6771870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10321920).

6771870 is an abundant number, since it is smaller than the sum of its proper divisors (13871970).

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

6771870 is a wasteful number, since it uses less digits than its factorization.

6771870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 6771870 is about 2602.2816911318. The cubic root of 6771870 is about 189.1920446545.

The spelling of 6771870 in words is "six million, seven hundred seventy-one thousand, eight hundred seventy".