6747967 has 4 divisors (see below), whose sum is σ = 6769840. Its totient is φ = 6726096.

The previous prime is 6747959. The next prime is 6747971. The reversal of 6747967 is 7697476.

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 6747967 - 2³ = 6747959 is a prime.

It is an Ulam 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 (6747467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10467 + ... + 11092.

It is an arithmetic number, because the mean of its divisors is an integer number (1692460).

Almost surely, 2^6747967 is an apocalyptic number.

6747967 is a deficient number, since it is larger than the sum of its proper divisors (21873).

6747967 is a wasteful number, since it uses less digits than its factorization.

6747967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21872.

The product of its digits is 444528, while the sum is 46.

The square root of 6747967 is about 2597.6849308567. The cubic root of 6747967 is about 188.9691821013.

The spelling of 6747967 in words is "six million, seven hundred forty-seven thousand, nine hundred sixty-seven".