6771942 has 24 divisors (see below), whose sum is σ = 15445560. Its totient is φ = 2138400.

The previous prime is 6771937. The next prime is 6771943. The reversal of 6771942 is 2491776.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6771897 and 6771906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9559 + ... + 10242.

It is an arithmetic number, because the mean of its divisors is an integer number (643565).

Almost surely, 2^6771942 is an apocalyptic number.

6771942 is an abundant number, since it is smaller than the sum of its proper divisors (8673618).

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

6771942 is a wasteful number, since it uses less digits than its factorization.

6771942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19828 (or 19825 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 6771942 is about 2602.2955251086. The cubic root of 6771942 is about 189.1927151625.

The spelling of 6771942 in words is "six million, seven hundred seventy-one thousand, nine hundred forty-two".