6774789 has 24 divisors (see below), whose sum is σ = 11130048. Its totient is φ = 3642240.

The previous prime is 6774767. The next prime is 6774797. The reversal of 6774789 is 9874776.

It is not a de Polignac number, because 6774789 - 2¹⁶ = 6709253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1144 + ... + 3854.

It is an arithmetic number, because the mean of its divisors is an integer number (463752).

Almost surely, 2^6774789 is an apocalyptic number.

It is an amenable number.

6774789 is a deficient number, since it is larger than the sum of its proper divisors (4355259).

6774789 is a wasteful number, since it uses less digits than its factorization.

6774789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2738 counting only the distinct ones).

The product of its digits is 592704, while the sum is 48.

The square root of 6774789 is about 2602.8424846694. The cubic root of 6774789 is about 189.2192243576.

The spelling of 6774789 in words is "six million, seven hundred seventy-four thousand, seven hundred eighty-nine".