6840711 has 6 divisors (see below), whose sum is σ = 9881040. Its totient is φ = 4560468.

The previous prime is 6840661. The next prime is 6840721. The reversal of 6840711 is 1170486.

It is a happy number.

6840711 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6840711 - 2⁷ = 6840583 is a prime.

6840711 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380031 + ... + 380048.

It is an arithmetic number, because the mean of its divisors is an integer number (1646840).

Almost surely, 2^6840711 is an apocalyptic number.

6840711 is a deficient number, since it is larger than the sum of its proper divisors (3040329).

6840711 is a wasteful number, since it uses less digits than its factorization.

6840711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760085 (or 760082 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 6840711 is about 2615.4752914145. The cubic root of 6840711 is about 189.8309761816.

The spelling of 6840711 in words is "six million, eight hundred forty thousand, seven hundred eleven".