2728236562 has 24 divisors (see below), whose sum is σ = 4324476492. Its totient is φ = 1290708000.

The previous prime is 2728236559. The next prime is 2728236569. The reversal of 2728236562 is 2656328272.

It can be written as a sum of positive squares in 2 ways, for example, as 2728077361 + 159201 = 52231^2 + 399^2 .

It is not an unprimeable number, because it can be changed into a prime (2728236569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735312 + ... + 739012.

Almost surely, 2^2728236562 is an apocalyptic number.

2728236562 is a deficient number, since it is larger than the sum of its proper divisors (1596239930).

2728236562 is a wasteful number, since it uses less digits than its factorization.

2728236562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762 (or 4743 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 2728236562 is about 52232.5239864971. The cubic root of 2728236562 is about 1397.3139931839.

The spelling of 2728236562 in words is "two billion, seven hundred twenty-eight million, two hundred thirty-six thousand, five hundred sixty-two".