2728755 has 64 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 1290240.

The previous prime is 2728753. The next prime is 2728763. The reversal of 2728755 is 5578272.

2728755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2728755 - 2¹ = 2728753 is a prime.

It is a super-3 number, since 3×2728755³ = 60955779333824906625, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66535 + ... + 66575.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2^2728755 is an apocalyptic number.

2728755 is a deficient number, since it is larger than the sum of its proper divisors (2714445).

2728755 is a wasteful number, since it uses less digits than its factorization.

2728755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 95 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 2728755 is about 1651.8943670828. The cubic root of 2728755 is about 139.7402496603.

It can be divided in two parts, 27 and 28755, that added together give a palindrome (28782).

The spelling of 2728755 in words is "two million, seven hundred twenty-eight thousand, seven hundred fifty-five".