6774428 has 6 divisors (see below), whose sum is σ = 11855256. Its totient is φ = 3387212.

The previous prime is 6774421. The next prime is 6774433. The reversal of 6774428 is 8244776.

It is a junction number, because it is equal to n+sod(n) for n = 6774391 and 6774400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 846800 + ... + 846807.

It is an arithmetic number, because the mean of its divisors is an integer number (1975876).

Almost surely, 2^6774428 is an apocalyptic number.

It is an amenable number.

6774428 is a deficient number, since it is larger than the sum of its proper divisors (5080828).

6774428 is a wasteful number, since it uses less digits than its factorization.

6774428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693611 (or 1693609 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 6774428 is about 2602.7731364835. The cubic root of 6774428 is about 189.2158633991.

The spelling of 6774428 in words is "six million, seven hundred seventy-four thousand, four hundred twenty-eight".