6747143 has 4 divisors (see below), whose sum is σ = 7266168. Its totient is φ = 6228120.

The previous prime is 6747127. The next prime is 6747163. The reversal of 6747143 is 3417476.

It is a happy number.

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 6747143 - 2⁴ = 6747127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6747163) 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, 259493 + ... + 259518.

It is an arithmetic number, because the mean of its divisors is an integer number (1816542).

Almost surely, 2^6747143 is an apocalyptic number.

6747143 is a deficient number, since it is larger than the sum of its proper divisors (519025).

6747143 is a wasteful number, since it uses less digits than its factorization.

6747143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519024.

The product of its digits is 14112, while the sum is 32.

The square root of 6747143 is about 2597.5263232545. The cubic root of 6747143 is about 188.9614900590.

The spelling of 6747143 in words is "six million, seven hundred forty-seven thousand, one hundred forty-three".