2728042700 has 36 divisors (see below), whose sum is σ = 6268083192. Its totient is φ = 1027027200.

The previous prime is 2728042661. The next prime is 2728042703. The reversal of 2728042700 is 72408272.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2728042703) 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 11 ways as a sum of consecutive naturals, for example, 800666 + ... + 804065.

It is an arithmetic number, because the mean of its divisors is an integer number (174113422).

Almost surely, 2^2728042700 is an apocalyptic number.

2728042700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2728042700 is an abundant number, since it is smaller than the sum of its proper divisors (3540040492).

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

2728042700 is a wasteful number, since it uses less digits than its factorization.

2728042700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604762 (or 1604755 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 2728042700 is about 52230.6681940792. The cubic root of 2728042700 is about 1397.2808957972.

The spelling of 2728042700 in words is "two billion, seven hundred twenty-eight million, forty-two thousand, seven hundred".