2728215874 has 16 divisors (see below), whose sum is σ = 4123135296. Its totient is φ = 1353862800.

The previous prime is 2728215869. The next prime is 2728215877. The reversal of 2728215874 is 4785128272.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2728215877) 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 7 ways as a sum of consecutive naturals, for example, 224884 + ... + 236704.

It is an arithmetic number, because the mean of its divisors is an integer number (257695956).

Almost surely, 2^2728215874 is an apocalyptic number.

2728215874 is a deficient number, since it is larger than the sum of its proper divisors (1394919422).

2728215874 is a wasteful number, since it uses less digits than its factorization.

2728215874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681.

The product of its digits is 501760, while the sum is 46.

The square root of 2728215874 is about 52232.3259485924. The cubic root of 2728215874 is about 1397.3104612682.

The spelling of 2728215874 in words is "two billion, seven hundred twenty-eight million, two hundred fifteen thousand, eight hundred seventy-four".