28075103 has 24 divisors (see below), whose sum is σ = 35118720. Its totient is φ = 21924000.

The previous prime is 28075097. The next prime is 28075129. The reversal of 28075103 is 30157082.

It is not a de Polignac number, because 28075103 - 2⁶ = 28075039 is a prime.

It is a super-2 number, since 2×28075103² = 1576422816921218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28075303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111728 + ... + 111978.

It is an arithmetic number, because the mean of its divisors is an integer number (1463280).

Almost surely, 2^28075103 is an apocalyptic number.

28075103 is a deficient number, since it is larger than the sum of its proper divisors (7043617).

28075103 is a wasteful number, since it uses less digits than its factorization.

28075103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 306 counting only the distinct ones).

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

The square root of 28075103 is about 5298.5944362633. The cubic root of 28075103 is about 303.9301511673.

The spelling of 28075103 in words is "twenty-eight million, seventy-five thousand, one hundred three".