28282752 has 48 divisors (see below), whose sum is σ = 81389880. Its totient is φ = 9427200.

The previous prime is 28282741. The next prime is 28282817. The reversal of 28282752 is 25728282.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 11124 + ... + 13427.

Almost surely, 2^28282752 is an apocalyptic number.

It is an amenable number.

28282752 is an abundant number, since it is smaller than the sum of its proper divisors (53107128).

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

28282752 is a wasteful number, since it uses less digits than its factorization.

28282752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24571 (or 24556 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 28282752 is about 5318.1530628593. The cubic root of 28282752 is about 304.6776204923.

The spelling of 28282752 in words is "twenty-eight million, two hundred eighty-two thousand, seven hundred fifty-two".