2726280 has 48 divisors (see below), whose sum is σ = 8861580. Its totient is φ = 726912.

The previous prime is 2726263. The next prime is 2726281. The reversal of 2726280 is 826272.

It can be written as a sum of positive squares in 2 ways, for example, as 2490084 + 236196 = 1578^2 + 486^2 .

It is not an unprimeable number, because it can be changed into a prime (2726281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3427 + ... + 4146.

2^2726280 is an apocalyptic number.

2726280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2726280 is an abundant number, since it is smaller than the sum of its proper divisors (6135300).

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

2726280 is a wasteful number, since it uses less digits than its factorization.

2726280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590 (or 7583 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2726280 is about 1651.1450572254. The cubic root of 2726280 is about 139.6979884171.

The spelling of 2726280 in words is "two million, seven hundred twenty-six thousand, two hundred eighty".