2722680 has 64 divisors (see below), whose sum is σ = 9079200. Its totient is φ = 725760.

The previous prime is 2722661. The next prime is 2722691. The reversal of 2722680 is 862272.

2722680 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 (27).

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 15 ways as a sum of consecutive naturals, for example, 181 + ... + 2340.

2^2722680 is an apocalyptic number.

2722680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2722680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4539600).

2722680 is an abundant number, since it is smaller than the sum of its proper divisors (6356520).

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

2722680 is a wasteful number, since it uses less digits than its factorization.

2722680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541 (or 2531 counting only the distinct ones).

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

The square root of 2722680 is about 1650.0545445530. The cubic root of 2722680 is about 139.6364718350.

The spelling of 2722680 in words is "two million, seven hundred twenty-two thousand, six hundred eighty".