2332721728 has 28 divisors (see below), whose sum is σ = 4778321152. Its totient is φ = 1128735360.

The previous prime is 2332721711. The next prime is 2332721747. The reversal of 2332721728 is 8271272332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585900 + ... + 589867.

Almost surely, 2^2332721728 is an apocalyptic number.

It is an amenable number.

2332721728 is an abundant number, since it is smaller than the sum of its proper divisors (2445599424).

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

2332721728 is a wasteful number, since it uses less digits than its factorization.

2332721728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175810 (or 1175800 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 2332721728 is about 48298.2580224173. The cubic root of 2332721728 is about 1326.2365061907.

The spelling of 2332721728 in words is "two billion, three hundred thirty-two million, seven hundred twenty-one thousand, seven hundred twenty-eight".