2732881 has 4 divisors (see below), whose sum is σ = 2748852. Its totient is φ = 2716912.

The previous prime is 2732843. The next prime is 2732893. The reversal of 2732881 is 1882372.

2732881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2265025 + 467856 = 1505^2 + 684^2 .

It is a cyclic number.

It is not a de Polignac number, because 2732881 - 2⁷ = 2732753 is a prime.

It is a super-2 number, since 2×2732881² = 14937277120322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2732831) 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, 7726 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (687213).

2^2732881 is an apocalyptic number.

It is an amenable number.

2732881 is a deficient number, since it is larger than the sum of its proper divisors (15971).

2732881 is a wasteful number, since it uses less digits than its factorization.

2732881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15970.

The product of its digits is 5376, while the sum is 31.

The square root of 2732881 is about 1653.1427645548. The cubic root of 2732881 is about 139.8106453676.

The spelling of 2732881 in words is "two million, seven hundred thirty-two thousand, eight hundred eighty-one".