6774947 has 4 divisors (see below), whose sum is σ = 6851160. Its totient is φ = 6698736.

The previous prime is 6774931. The next prime is 6774953. The reversal of 6774947 is 7494776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6774947 - 2⁴ = 6774931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6774898 and 6774907.

It is not an unprimeable number, because it can be changed into a prime (6774967) 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, 37973 + ... + 38150.

It is an arithmetic number, because the mean of its divisors is an integer number (1712790).

Almost surely, 2^6774947 is an apocalyptic number.

6774947 is a deficient number, since it is larger than the sum of its proper divisors (76213).

6774947 is an equidigital number, since it uses as much as digits as its factorization.

6774947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76212.

The product of its digits is 296352, while the sum is 44.

The square root of 6774947 is about 2602.8728359257. The cubic root of 6774947 is about 189.2206953212.

The spelling of 6774947 in words is "six million, seven hundred seventy-four thousand, nine hundred forty-seven".