28030175 has 12 divisors (see below), whose sum is σ = 35235840. Its totient is φ = 22115520.

The previous prime is 28030099. The next prime is 28030193. The reversal of 28030175 is 57103082.

It is not a de Polignac number, because 28030175 - 2¹⁰ = 28029151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5855 + ... + 9504.

It is an arithmetic number, because the mean of its divisors is an integer number (2936320).

Almost surely, 2^28030175 is an apocalyptic number.

28030175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28030175 is a deficient number, since it is larger than the sum of its proper divisors (7205665).

28030175 is a wasteful number, since it uses less digits than its factorization.

28030175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15442 (or 15437 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 28030175 is about 5294.3531238481. The cubic root of 28030175 is about 303.7679402547.

The spelling of 28030175 in words is "twenty-eight million, thirty thousand, one hundred seventy-five".