6726580 has 48 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 2204928.

The previous prime is 6726571. The next prime is 6726581. The reversal of 6726580 is 856276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6726581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2176 + ... + 4264.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

Almost surely, 2^6726580 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 6726580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8426880).

6726580 is an abundant number, since it is smaller than the sum of its proper divisors (10127180).

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

6726580 is a wasteful number, since it uses less digits than its factorization.

6726580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 6726580 is about 2593.5651138925. The cubic root of 6726580 is about 188.7693312365.

The spelling of 6726580 in words is "six million, seven hundred twenty-six thousand, five hundred eighty".