6997018 has 8 divisors (see below), whose sum is σ = 11994912. Its totient is φ = 2998716.

The previous prime is 6996989. The next prime is 6997021. The reversal of 6997018 is 8107996.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249880 + ... + 249907.

It is an arithmetic number, because the mean of its divisors is an integer number (1499364).

Almost surely, 2^6997018 is an apocalyptic number.

6997018 is a deficient number, since it is larger than the sum of its proper divisors (4997894).

6997018 is a wasteful number, since it uses less digits than its factorization.

6997018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499796.

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

The square root of 6997018 is about 2645.1877060050. The cubic root of 6997018 is about 191.2659507963.

The spelling of 6997018 in words is "six million, nine hundred ninety-seven thousand, eighteen".