6740480 has 40 divisors (see below), whose sum is σ = 16167492. Its totient is φ = 2695168.

The previous prime is 6740479. The next prime is 6740491. The reversal of 6740480 is 840476.

It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 430336 = 2512^2 + 656^2 .

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

It is a super-3 number, since 3×6740480³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244 + ... + 3876.

Almost surely, 2^6740480 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 6740480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8083746).

6740480 is an abundant number, since it is smaller than the sum of its proper divisors (9427012).

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

6740480 is an equidigital number, since it uses as much as digits as its factorization.

6740480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 6740480 is about 2596.2434400495. The cubic root of 6740480 is about 188.8992679162.

The spelling of 6740480 in words is "six million, seven hundred forty thousand, four hundred eighty".