2728345635 has 24 divisors (see below), whose sum is σ = 4731858144. Its totient is φ = 1454279040.

The previous prime is 2728345601. The next prime is 2728345637. The reversal of 2728345635 is 5365438272.

2728345635 is a `hidden beast` number, since 2 + 7 + 2 + 8 + 3 + 4 + 5 + 635 = 666.

It is not a de Polignac number, because 2728345635 - 2⁸ = 2728345379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2728345637) 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 23 ways as a sum of consecutive naturals, for example, 65839 + ... + 98951.

It is an arithmetic number, because the mean of its divisors is an integer number (197160756).

Almost surely, 2^2728345635 is an apocalyptic number.

2728345635 is a deficient number, since it is larger than the sum of its proper divisors (2003512509).

2728345635 is a wasteful number, since it uses less digits than its factorization.

2728345635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34955 (or 34952 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 2728345635 is about 52233.5680860498. The cubic root of 2728345635 is about 1397.3326141496.

The spelling of 2728345635 in words is "two billion, seven hundred twenty-eight million, three hundred forty-five thousand, six hundred thirty-five".