2752728 has 32 divisors (see below), whose sum is σ = 7508160. Its totient is φ = 834080.

The previous prime is 2752723. The next prime is 2752733. The reversal of 2752728 is 8272572.

It is an interprime number because it is at equal distance from previous prime (2752723) and next prime (2752733).

It is a super-2 number, since 2×2752728² = 15155022883968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2752721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4950 + ... + 5477.

It is an arithmetic number, because the mean of its divisors is an integer number (234630).

2^2752728 is an apocalyptic number.

It is an amenable number.

2752728 is an abundant number, since it is smaller than the sum of its proper divisors (4755432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2752728 is a wasteful number, since it uses less digits than its factorization.

2752728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10447 (or 10443 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 2752728 is about 1659.1347142411. The cubic root of 2752728 is about 140.1482782727.

It can be divided in two parts, 275 and 2728, that added together give a palindrome (3003).

The spelling of 2752728 in words is "two million, seven hundred fifty-two thousand, seven hundred twenty-eight".