6879542 has 8 divisors (see below), whose sum is σ = 10340616. Its totient is φ = 3432672.

The previous prime is 6879541. The next prime is 6879581. The reversal of 6879542 is 2459786.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6879542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6879541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243 + ... + 4334.

It is an arithmetic number, because the mean of its divisors is an integer number (1292577).

Almost surely, 2^6879542 is an apocalyptic number.

6879542 is a deficient number, since it is larger than the sum of its proper divisors (3461074).

6879542 is a wasteful number, since it uses less digits than its factorization.

6879542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102.

The product of its digits is 120960, while the sum is 41.

The square root of 6879542 is about 2622.8881028363. Note that the first 3 decimals coincide. The cubic root of 6879542 is about 190.1894877839.

The spelling of 6879542 in words is "six million, eight hundred seventy-nine thousand, five hundred forty-two".