6717998 has 20 divisors (see below), whose sum is σ = 11764200. Its totient is φ = 2877084.

The previous prime is 6717961. The next prime is 6718003. The reversal of 6717998 is 8997176.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4103 + ... + 5501.

It is an arithmetic number, because the mean of its divisors is an integer number (588210).

Almost surely, 2^6717998 is an apocalyptic number.

6717998 is a deficient number, since it is larger than the sum of its proper divisors (5046202).

6717998 is an equidigital number, since it uses as much as digits as its factorization.

6717998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1408 counting only the distinct ones).

The product of its digits is 190512, while the sum is 47.

The square root of 6717998 is about 2591.9101064659. The cubic root of 6717998 is about 188.6890176225.

The spelling of 6717998 in words is "six million, seven hundred seventeen thousand, nine hundred ninety-eight".