2768032728 has 24 divisors (see below), whose sum is σ = 7496755500. Its totient is φ = 922677552.

The previous prime is 2768032721. The next prime is 2768032747. The reversal of 2768032728 is 8272308672.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768032721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19222378 + ... + 19222521.

Almost surely, 2^2768032728 is an apocalyptic number.

It is an amenable number.

2768032728 is an abundant number, since it is smaller than the sum of its proper divisors (4728722772).

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

2768032728 is a wasteful number, since it uses less digits than its factorization.

2768032728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38444911 (or 38444904 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2768032728 is about 52612.0967839146. The cubic root of 2768032728 is about 1404.0753240812.

The spelling of 2768032728 in words is "two billion, seven hundred sixty-eight million, thirty-two thousand, seven hundred twenty-eight".