28300752 has 120 divisors (see below), whose sum is σ = 85307040. Its totient is φ = 9072000.

The previous prime is 28300739. The next prime is 28300763. The reversal of 28300752 is 25700382.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112627 + ... + 112877.

It is an arithmetic number, because the mean of its divisors is an integer number (710892).

Almost surely, 2^28300752 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 28300752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42653520).

28300752 is an abundant number, since it is smaller than the sum of its proper divisors (57006288).

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

28300752 is a wasteful number, since it uses less digits than its factorization.

28300752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 28300752 is about 5319.8451105272. The cubic root of 28300752 is about 304.7422421404.

The spelling of 28300752 in words is "twenty-eight million, three hundred thousand, seven hundred fifty-two".