6871040 has 96 divisors (see below), whose sum is σ = 18280080. Its totient is φ = 2457600.

The previous prime is 6871037. The next prime is 6871049. The reversal of 6871040 is 401786.

It is a super-2 number, since 2×6871040² = 94422381363200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112610 + ... + 112670.

Almost surely, 2^6871040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6871040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9140040).

6871040 is an abundant number, since it is smaller than the sum of its proper divisors (11409040).

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

6871040 is a wasteful number, since it uses less digits than its factorization.

6871040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 6871040 is about 2621.2668692829. The cubic root of 6871040 is about 190.1111076826. Note that the first 4 decimals are identical.

The spelling of 6871040 in words is "six million, eight hundred seventy-one thousand, forty".