28790750 has 16 divisors (see below), whose sum is σ = 53896752. Its totient is φ = 11516200.

The previous prime is 28790731. The next prime is 28790753. The reversal of 28790750 is 5709782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28790753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57332 + ... + 57831.

It is an arithmetic number, because the mean of its divisors is an integer number (3368547).

Almost surely, 2^28790750 is an apocalyptic number.

28790750 is a deficient number, since it is larger than the sum of its proper divisors (25106002).

28790750 is a wasteful number, since it uses less digits than its factorization.

28790750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115180 (or 115170 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 28790750 is about 5365.7012589223. The cubic root of 28790750 is about 306.4909529516.

The spelling of 28790750 in words is "twenty-eight million, seven hundred ninety thousand, seven hundred fifty".