6776620 has 24 divisors (see below), whose sum is σ = 14414400. Its totient is φ = 2675712.

The previous prime is 6776617. The next prime is 6776621. The reversal of 6776620 is 266776.

It is not an unprimeable number, because it can be changed into a prime (6776621) 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 7 ways as a sum of consecutive naturals, for example, 565 + ... + 3724.

It is an arithmetic number, because the mean of its divisors is an integer number (600600).

Almost surely, 2^6776620 is an apocalyptic number.

It is an amenable number.

6776620 is an abundant number, since it is smaller than the sum of its proper divisors (7637780).

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

6776620 is a wasteful number, since it uses less digits than its factorization.

6776620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377 (or 4375 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 6776620 is about 2603.1941917575. The cubic root of 6776620 is about 189.2362693751.

It can be divided in two parts, 6776 and 620, that added together give a square (7396 = 86²).

The spelling of 6776620 in words is "six million, seven hundred seventy-six thousand, six hundred twenty".