2732879 has 4 divisors (see below), whose sum is σ = 2752680. Its totient is φ = 2713080.

The previous prime is 2732843. The next prime is 2732893. The reversal of 2732879 is 9782372.

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

It is a cyclic number.

It is not a de Polignac number, because 2732879 - 2²⁰ = 1684303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2732819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9692 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (688170).

2^2732879 is an apocalyptic number.

2732879 is a deficient number, since it is larger than the sum of its proper divisors (19801).

2732879 is a wasteful number, since it uses less digits than its factorization.

2732879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19800.

The product of its digits is 42336, while the sum is 38.

The square root of 2732879 is about 1653.1421596463. The cubic root of 2732879 is about 139.8106112618.

The spelling of 2732879 in words is "two million, seven hundred thirty-two thousand, eight hundred seventy-nine".