6776942 has 4 divisors (see below), whose sum is σ = 10165416. Its totient is φ = 3388470.

The previous prime is 6776933. The next prime is 6776947. The reversal of 6776942 is 2496776.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6776942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6776947) 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 as a sum of consecutive naturals, namely, 1694234 + ... + 1694237.

It is an arithmetic number, because the mean of its divisors is an integer number (2541354).

Almost surely, 2^6776942 is an apocalyptic number.

6776942 is a deficient number, since it is larger than the sum of its proper divisors (3388474).

6776942 is a wasteful number, since it uses less digits than its factorization.

6776942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388473.

The product of its digits is 127008, while the sum is 41.

The square root of 6776942 is about 2603.2560381184. The cubic root of 6776942 is about 189.2392665976.

The spelling of 6776942 in words is "six million, seven hundred seventy-six thousand, nine hundred forty-two".