2680728 has 16 divisors (see below), whose sum is σ = 6701880. Its totient is φ = 893568.

The previous prime is 2680721. The next prime is 2680753. The reversal of 2680728 is 8270862.

2680728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55825 + ... + 55872.

2^2680728 is an apocalyptic number.

It is an amenable number.

2680728 is an abundant number, since it is smaller than the sum of its proper divisors (4021152).

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

2680728 is a wasteful number, since it uses less digits than its factorization.

2680728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111706 (or 111702 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 2680728 is about 1637.2928876655. The cubic root of 2680728 is about 138.9155673078.

The spelling of 2680728 in words is "two million, six hundred eighty thousand, seven hundred twenty-eight".