6776990 has 16 divisors (see below), whose sum is σ = 13307760. Its totient is φ = 2464320.

The previous prime is 6776971. The next prime is 6777007. The reversal of 6776990 is 996776.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30695 + ... + 30914.

It is an arithmetic number, because the mean of its divisors is an integer number (831735).

Almost surely, 2^6776990 is an apocalyptic number.

6776990 is a deficient number, since it is larger than the sum of its proper divisors (6530770).

6776990 is a wasteful number, since it uses less digits than its factorization.

6776990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61627.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 6776990 is about 2603.2652573259. The cubic root of 6776990 is about 189.2397133804.

It can be divided in two parts, 677 and 6990, that added together give a palindrome (7667).

The spelling of 6776990 in words is "six million, seven hundred seventy-six thousand, nine hundred ninety".