6978579 has 16 divisors (see below), whose sum is σ = 9590400. Its totient is φ = 4511936.

The previous prime is 6978547. The next prime is 6978593. The reversal of 6978579 is 9758796.

6978579 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6978579 - 2⁵ = 6978547 is a prime.

6978579 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6978779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15532 + ... + 15974.

It is an arithmetic number, because the mean of its divisors is an integer number (599400).

Almost surely, 2^6978579 is an apocalyptic number.

6978579 is a deficient number, since it is larger than the sum of its proper divisors (2611821).

6978579 is a wasteful number, since it uses less digits than its factorization.

6978579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its digits is 952560, while the sum is 51.

The square root of 6978579 is about 2641.7000208199. The cubic root of 6978579 is about 191.0977908084.

It can be divided in two parts, 6978 and 579, that added together give a palindrome (7557).

The spelling of 6978579 in words is "six million, nine hundred seventy-eight thousand, five hundred seventy-nine".