6718672 has 30 divisors (see below), whose sum is σ = 13837718. Its totient is φ = 3159552.

The previous prime is 6718667. The next prime is 6718687. The reversal of 6718672 is 2768176.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4769856 + 1948816 = 2184^2 + 1396^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3898 + ... + 5350.

Almost surely, 2^6718672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6718672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6918859).

6718672 is an abundant number, since it is smaller than the sum of its proper divisors (7119046).

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

6718672 is a wasteful number, since it uses less digits than its factorization.

6718672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1472 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 6718672 is about 2592.0401231462. The cubic root of 6718672 is about 188.6953276445.

The spelling of 6718672 in words is "six million, seven hundred eighteen thousand, six hundred seventy-two".