6776994 has 64 divisors (see below), whose sum is σ = 16416000. Its totient is φ = 1862784.

The previous prime is 6776971. The next prime is 6777007. The reversal of 6776994 is 4996776.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 76102 + ... + 76190.

It is an arithmetic number, because the mean of its divisors is an integer number (256500).

Almost surely, 2^6776994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6776994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8208000).

6776994 is an abundant number, since it is smaller than the sum of its proper divisors (9639006).

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

6776994 is a wasteful number, since it uses less digits than its factorization.

6776994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 138 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 6776994 is about 2603.2660255917. The cubic root of 6776994 is about 189.2397506122.

The spelling of 6776994 in words is "six million, seven hundred seventy-six thousand, nine hundred ninety-four".