2681748 has 72 divisors (see below), whose sum is σ = 7338240. Its totient is φ = 855360.

The previous prime is 2681729. The next prime is 2681803. The reversal of 2681748 is 8471862.

2681748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30088 + ... + 30176.

It is an arithmetic number, because the mean of its divisors is an integer number (101920).

2^2681748 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 2681748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3669120).

2681748 is an abundant number, since it is smaller than the sum of its proper divisors (4656492).

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

2681748 is a wasteful number, since it uses less digits than its factorization.

2681748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 125 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 2681748 is about 1637.6043478203. The cubic root of 2681748 is about 138.9331839043.

It can be divided in two parts, 268 and 1748, that added together give a triangular number (2016 = T₆₃).

The spelling of 2681748 in words is "two million, six hundred eighty-one thousand, seven hundred forty-eight".