6779142 has 24 divisors (see below), whose sum is σ = 15163200. Its totient is φ = 2186640.

The previous prime is 6779131. The next prime is 6779147. The reversal of 6779142 is 2419776.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6779097 and 6779106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6779147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5517 + ... + 6632.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^6779142 is an apocalyptic number.

6779142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6779142 is an abundant number, since it is smaller than the sum of its proper divisors (8384058).

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

6779142 is a wasteful number, since it uses less digits than its factorization.

6779142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12188 (or 12185 counting only the distinct ones).

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

The square root of 6779142 is about 2603.6785515881. The cubic root of 6779142 is about 189.2597419754.

The spelling of 6779142 in words is "six million, seven hundred seventy-nine thousand, one hundred forty-two".