2722761 has 16 divisors (see below), whose sum is σ = 4165120. Its totient is φ = 1756080.

The previous prime is 2722751. The next prime is 2722789. The reversal of 2722761 is 1672272.

2722761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2722761 - 2⁵ = 2722729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722751) 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 15 ways as a sum of consecutive naturals, for example, 790 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (260320).

2^2722761 is an apocalyptic number.

It is an amenable number.

2722761 is a deficient number, since it is larger than the sum of its proper divisors (1442359).

2722761 is a wasteful number, since it uses less digits than its factorization.

2722761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3287 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 2722761 is about 1650.0790890136. The cubic root of 2722761 is about 139.6378565542.

The spelling of 2722761 in words is "two million, seven hundred twenty-two thousand, seven hundred sixty-one".