28073600 has 96 divisors (see below), whose sum is σ = 71840640. Its totient is φ = 10828800.

The previous prime is 28073599. The next prime is 28073627. The reversal of 28073600 is 637082.

It is a self number, because there is not a number n which added to its sum of digits gives 28073600.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 99059 + ... + 99341.

It is an arithmetic number, because the mean of its divisors is an integer number (748340).

Almost surely, 2^28073600 is an apocalyptic number.

28073600 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 28073600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35920320).

28073600 is an abundant number, since it is smaller than the sum of its proper divisors (43767040).

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

28073600 is a wasteful number, since it uses less digits than its factorization.

28073600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 28073600 is about 5298.4526042987. The cubic root of 28073600 is about 303.9247274392.

The spelling of 28073600 in words is "twenty-eight million, seventy-three thousand, six hundred".