6717216 has 48 divisors (see below), whose sum is σ = 19238688. Its totient is φ = 2035200.

The previous prime is 6717197. The next prime is 6717223. The reversal of 6717216 is 6127176.

It is a happy number.

6717216 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 4236.

It is an arithmetic number, because the mean of its divisors is an integer number (400806).

Almost surely, 2^6717216 is an apocalyptic number.

6717216 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6717216 is an abundant number, since it is smaller than the sum of its proper divisors (12521472).

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

6717216 is a wasteful number, since it uses less digits than its factorization.

6717216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385 (or 6377 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 6717216 is about 2591.7592480784. The cubic root of 6717216 is about 188.6816959702.

It can be divided in two parts, 671 and 7216, that added together give a palindrome (7887).

The spelling of 6717216 in words is "six million, seven hundred seventeen thousand, two hundred sixteen".