6718480 has 40 divisors (see below), whose sum is σ = 15760152. Its totient is φ = 2663424.

The previous prime is 6718477. The next prime is 6718483. The reversal of 6718480 is 848176.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6718477) and next prime (6718483).

It can be written as a sum of positive squares in 4 ways, for example, as 16 + 6718464 = 4^2 + 2592^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6718483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10654 + ... + 11266.

Almost surely, 2^6718480 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 6718480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7880076).

6718480 is an abundant number, since it is smaller than the sum of its proper divisors (9041672).

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

6718480 is a wasteful number, since it uses less digits than its factorization.

6718480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 6718480 is about 2592.0030864179. The cubic root of 6718480 is about 188.6935301738.

The spelling of 6718480 in words is "six million, seven hundred eighteen thousand, four hundred eighty".