6918079 has 4 divisors (see below), whose sum is σ = 7906384. Its totient is φ = 5929776.

The previous prime is 6918061. The next prime is 6918083. The reversal of 6918079 is 9708196.

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 6918079 - 2⁵ = 6918047 is a prime.

It is a Duffinian number.

6918079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6918019) 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, 494142 + ... + 494155.

It is an arithmetic number, because the mean of its divisors is an integer number (1976596).

Almost surely, 2^6918079 is an apocalyptic number.

6918079 is a deficient number, since it is larger than the sum of its proper divisors (988305).

6918079 is an equidigital number, since it uses as much as digits as its factorization.

6918079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988304.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 6918079 is about 2630.2241349360. The cubic root of 6918079 is about 190.5439536865.

The spelling of 6918079 in words is "six million, nine hundred eighteen thousand, seventy-nine".