6717690 has 48 divisors (see below), whose sum is σ = 19963008. Its totient is φ = 1535328.

The previous prime is 6717673. The next prime is 6717701. The reversal of 6717690 is 967176.

It is a super-2 number, since 2×6717690² = 90254717872200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4702 + ... + 5961.

It is an arithmetic number, because the mean of its divisors is an integer number (415896).

Almost surely, 2^6717690 is an apocalyptic number.

6717690 is an abundant number, since it is smaller than the sum of its proper divisors (13245318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6717690 is a wasteful number, since it uses less digits than its factorization.

6717690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10683 (or 10680 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 6717690 is about 2591.8506901440. The cubic root of 6717690 is about 188.6861339705.

The spelling of 6717690 in words is "six million, seven hundred seventeen thousand, six hundred ninety".