2532728 has 32 divisors (see below), whose sum is σ = 5488560. Its totient is φ = 1082880.

The previous prime is 2532727. The next prime is 2532763. The reversal of 2532728 is 8272352.

2532728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2532728² = 12829422243968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2532728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532721) 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 7 ways as a sum of consecutive naturals, for example, 650 + ... + 2342.

2^2532728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2532728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744280).

2532728 is an abundant number, since it is smaller than the sum of its proper divisors (2955832).

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

2532728 is a wasteful number, since it uses less digits than its factorization.

2532728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727 (or 1723 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 2532728 is about 1591.4546804732. The cubic root of 2532728 is about 136.3105647753.

The spelling of 2532728 in words is "two million, five hundred thirty-two thousand, seven hundred twenty-eight".