28102752 has 36 divisors (see below), whose sum is σ = 79918020. Its totient is φ = 9367488.

The previous prime is 28102747. The next prime is 28102777. The reversal of 28102752 is 25720182.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48502 + ... + 49077.

It is an arithmetic number, because the mean of its divisors is an integer number (2219945).

Almost surely, 2^28102752 is an apocalyptic number.

It is an amenable number.

28102752 is an abundant number, since it is smaller than the sum of its proper divisors (51815268).

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

28102752 is a wasteful number, since it uses less digits than its factorization.

28102752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97595 (or 97584 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 28102752 is about 5301.2028823655. The cubic root of 28102752 is about 304.0298908744.

The spelling of 28102752 in words is "twenty-eight million, one hundred two thousand, seven hundred fifty-two".