2721760828 has 12 divisors (see below), whose sum is σ = 4769248680. Its totient is φ = 1359118352.

The previous prime is 2721760793. The next prime is 2721760829. The reversal of 2721760828 is 8280671272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721760829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437038 + ... + 443221.

It is an arithmetic number, because the mean of its divisors is an integer number (397437390).

Almost surely, 2^2721760828 is an apocalyptic number.

It is an amenable number.

2721760828 is a deficient number, since it is larger than the sum of its proper divisors (2047487852).

2721760828 is a wasteful number, since it uses less digits than its factorization.

2721760828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881036 (or 881034 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 2721760828 is about 52170.4976782856. The cubic root of 2721760828 is about 1396.2075639021.

The spelling of 2721760828 in words is "two billion, seven hundred twenty-one million, seven hundred sixty thousand, eight hundred twenty-eight".