6918073 has 4 divisors (see below), whose sum is σ = 6928128. Its totient is φ = 6908020.

The previous prime is 6918061. The next prime is 6918083. The reversal of 6918073 is 3708196.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6918073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6918013) 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, 3913 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (1732032).

Almost surely, 2^6918073 is an apocalyptic number.

It is an amenable number.

6918073 is a deficient number, since it is larger than the sum of its proper divisors (10055).

6918073 is an equidigital number, since it uses as much as digits as its factorization.

6918073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10054.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 6918073 is about 2630.2229943486. Note that the first 3 decimals coincide. The cubic root of 6918073 is about 190.5438986007.

The spelling of 6918073 in words is "six million, nine hundred eighteen thousand, seventy-three".