28027750 has 16 divisors (see below), whose sum is σ = 52468416. Its totient is φ = 11211000.

The previous prime is 28027739. The next prime is 28027771. The reversal of 28027750 is 5772082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55806 + ... + 56305.

It is an arithmetic number, because the mean of its divisors is an integer number (3279276).

Almost surely, 2^28027750 is an apocalyptic number.

28027750 is a deficient number, since it is larger than the sum of its proper divisors (24440666).

28027750 is a wasteful number, since it uses less digits than its factorization.

28027750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112128 (or 112118 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 28027750 is about 5294.1241013033. The cubic root of 28027750 is about 303.7591799514.

The spelling of 28027750 in words is "twenty-eight million, twenty-seven thousand, seven hundred fifty".