6774861 has 4 divisors (see below), whose sum is σ = 9033152. Its totient is φ = 4516572.

The previous prime is 6774847. The next prime is 6774871. The reversal of 6774861 is 1684776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6774861 - 2⁵ = 6774829 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774821) 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 3 ways as a sum of consecutive naturals, for example, 1129141 + ... + 1129146.

It is an arithmetic number, because the mean of its divisors is an integer number (2258288).

Almost surely, 2^6774861 is an apocalyptic number.

It is an amenable number.

6774861 is a deficient number, since it is larger than the sum of its proper divisors (2258291).

6774861 is a wasteful number, since it uses less digits than its factorization.

6774861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258290.

The product of its digits is 56448, while the sum is 39.

The square root of 6774861 is about 2602.8563156655. The cubic root of 6774861 is about 189.2198946730.

The spelling of 6774861 in words is "six million, seven hundred seventy-four thousand, eight hundred sixty-one".