28753200 has 270 divisors, whose sum is σ = 116784564. Its totient is φ = 6531840.

The previous prime is 28753187. The next prime is 28753211. The reversal of 28753200 is 235782.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 176319 + ... + 176481.

Almost surely, 2^28753200 is an apocalyptic number.

28753200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28753200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58392282).

28753200 is an abundant number, since it is smaller than the sum of its proper divisors (88031364).

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

28753200 is a wasteful number, since it uses less digits than its factorization.

28753200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 180 counting only the distinct ones).

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

The square root of 28753200 is about 5362.2010406176. The cubic root of 28753200 is about 306.3576492309.

Adding to 28753200 its reverse (235782), we get a palindrome (28988982).

The spelling of 28753200 in words is "twenty-eight million, seven hundred fifty-three thousand, two hundred".