6842947 has 4 divisors (see below), whose sum is σ = 6936760. Its totient is φ = 6749136.

The previous prime is 6842929. The next prime is 6842963. The reversal of 6842947 is 7492486.

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 6842947 - 2⁷ = 6842819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6842917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46797 + ... + 46942.

It is an arithmetic number, because the mean of its divisors is an integer number (1734190).

Almost surely, 2^6842947 is an apocalyptic number.

6842947 is a deficient number, since it is larger than the sum of its proper divisors (93813).

6842947 is an equidigital number, since it uses as much as digits as its factorization.

6842947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93812.

The product of its digits is 96768, while the sum is 40.

The square root of 6842947 is about 2615.9027122582. The cubic root of 6842947 is about 189.8516570642.

The spelling of 6842947 in words is "six million, eight hundred forty-two thousand, nine hundred forty-seven".