6731140 has 24 divisors (see below), whose sum is σ = 15223320. Its totient is φ = 2485248.

The previous prime is 6731117. The next prime is 6731171. The reversal of 6731140 is 411376.

It can be written as a sum of positive squares in 4 ways, for example, as 1085764 + 5645376 = 1042^2 + 2376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12685 + ... + 13204.

It is an arithmetic number, because the mean of its divisors is an integer number (634305).

Almost surely, 2^6731140 is an apocalyptic number.

It is an amenable number.

6731140 is an abundant number, since it is smaller than the sum of its proper divisors (8492180).

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

6731140 is a wasteful number, since it uses less digits than its factorization.

6731140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25911 (or 25909 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 6731140 is about 2594.4440637640. Note that the first 3 decimals coincide. The cubic root of 6731140 is about 188.8119776587.

The spelling of 6731140 in words is "six million, seven hundred thirty-one thousand, one hundred forty".