6940671 has 4 divisors (see below), whose sum is σ = 9254232. Its totient is φ = 4627112.

The previous prime is 6940663. The next prime is 6940679. The reversal of 6940671 is 1760496.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6940663) and next prime (6940679).

It is a cyclic number.

It is not a de Polignac number, because 6940671 - 2³ = 6940663 is a prime.

It is a D-number.

6940671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156776 + ... + 1156781.

It is an arithmetic number, because the mean of its divisors is an integer number (2313558).

Almost surely, 2^6940671 is an apocalyptic number.

6940671 is a deficient number, since it is larger than the sum of its proper divisors (2313561).

6940671 is a wasteful number, since it uses less digits than its factorization.

6940671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313560.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 6940671 is about 2634.5153254441. The cubic root of 6940671 is about 190.7511447065.

The spelling of 6940671 in words is "six million, nine hundred forty thousand, six hundred seventy-one".