6773778 has 24 divisors (see below), whose sum is σ = 16011216. Its totient is φ = 2052600.

The previous prime is 6773729. The next prime is 6773783. The reversal of 6773778 is 8773776.

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 11 ways as a sum of consecutive naturals, for example, 16908 + ... + 17303.

It is an arithmetic number, because the mean of its divisors is an integer number (667134).

Almost surely, 2^6773778 is an apocalyptic number.

6773778 is an abundant number, since it is smaller than the sum of its proper divisors (9237438).

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

6773778 is a wasteful number, since it uses less digits than its factorization.

6773778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34230 (or 34227 counting only the distinct ones).

The product of its digits is 345744, while the sum is 45.

The square root of 6773778 is about 2602.6482666699. The cubic root of 6773778 is about 189.2098115108.

The spelling of 6773778 in words is "six million, seven hundred seventy-three thousand, seven hundred seventy-eight".