6678543 has 8 divisors (see below), whose sum is σ = 8917168. Its totient is φ = 4446144.

The previous prime is 6678523. The next prime is 6678577. The reversal of 6678543 is 3458766.

6678543 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6678543 - 2¹³ = 6670351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6678523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2355 + ... + 4347.

It is an arithmetic number, because the mean of its divisors is an integer number (1114646).

Almost surely, 2^6678543 is an apocalyptic number.

6678543 is a deficient number, since it is larger than the sum of its proper divisors (2238625).

6678543 is a wasteful number, since it uses less digits than its factorization.

6678543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113.

The product of its digits is 120960, while the sum is 39.

The square root of 6678543 is about 2584.2877161802. The cubic root of 6678543 is about 188.3189000521.

The spelling of 6678543 in words is "six million, six hundred seventy-eight thousand, five hundred forty-three".