6774985 has 12 divisors (see below), whose sum is σ = 9457668. Its totient is φ = 4645536.

The previous prime is 6774983. The next prime is 6774991. The reversal of 6774985 is 5894776.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 840889 + 5934096 = 917^2 + 2436^2 .

It is not a de Polignac number, because 6774985 - 2¹ = 6774983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6774983) by changing a digit.

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, 13582 + ... + 14071.

It is an arithmetic number, because the mean of its divisors is an integer number (788139).

Almost surely, 2^6774985 is an apocalyptic number.

It is an amenable number.

6774985 is a deficient number, since it is larger than the sum of its proper divisors (2682683).

6774985 is a wasteful number, since it uses less digits than its factorization.

6774985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27672 (or 27665 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 6774985 is about 2602.8801355422. The cubic root of 6774985 is about 189.2210490939.

The spelling of 6774985 in words is "six million, seven hundred seventy-four thousand, nine hundred eighty-five".