2728063 has 4 divisors (see below), whose sum is σ = 2937928. Its totient is φ = 2518200.

The previous prime is 2728051. The next prime is 2728067. The reversal of 2728063 is 3608272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2728063 - 2¹⁷ = 2596991 is a prime.

It is a Duffinian number.

2728063 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104913 + ... + 104938.

It is an arithmetic number, because the mean of its divisors is an integer number (734482).

2^2728063 is an apocalyptic number.

2728063 is a deficient number, since it is larger than the sum of its proper divisors (209865).

2728063 is a wasteful number, since it uses less digits than its factorization.

2728063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209864.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2728063 is about 1651.6848973094. The cubic root of 2728063 is about 139.7284361619.

The spelling of 2728063 in words is "two million, seven hundred twenty-eight thousand, sixty-three".