6777142 has 8 divisors (see below), whose sum is σ = 10440576. Its totient is φ = 3296952.

The previous prime is 6777137. The next prime is 6777149. The reversal of 6777142 is 2417776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6777098 and 6777107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6777149) 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 3 ways as a sum of consecutive naturals, for example, 45718 + ... + 45865.

It is an arithmetic number, because the mean of its divisors is an integer number (1305072).

Almost surely, 2^6777142 is an apocalyptic number.

6777142 is a deficient number, since it is larger than the sum of its proper divisors (3663434).

6777142 is a wasteful number, since it uses less digits than its factorization.

6777142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91622.

The product of its digits is 16464, while the sum is 34.

The square root of 6777142 is about 2603.2944512675. The cubic root of 6777142 is about 189.2411281787.

The spelling of 6777142 in words is "six million, seven hundred seventy-seven thousand, one hundred forty-two".