6867140 has 48 divisors (see below), whose sum is σ = 16633344. Its totient is φ = 2332800.

The previous prime is 6867139. The next prime is 6867149. The reversal of 6867140 is 417686.

It is a super-2 number, since 2×6867140² = 94315223559200, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6867097 and 6867106.

It is not an unprimeable number, because it can be changed into a prime (6867149) 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, 25205 + ... + 25475.

It is an arithmetic number, because the mean of its divisors is an integer number (346528).

Almost surely, 2^6867140 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 6867140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8316672).

6867140 is an abundant number, since it is smaller than the sum of its proper divisors (9766204).

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

6867140 is a wasteful number, since it uses less digits than its factorization.

6867140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 6867140 is about 2620.5228485934. The cubic root of 6867140 is about 190.0751318748.

It can be divided in two parts, 6867 and 140, that added together give a palindrome (7007).

The spelling of 6867140 in words is "six million, eight hundred sixty-seven thousand, one hundred forty".