28375675 has 24 divisors (see below), whose sum is σ = 37363680. Its totient is φ = 21331200.

The previous prime is 28375673. The next prime is 28375679. The reversal of 28375675 is 57657382.

It is not a de Polignac number, because 28375675 - 2¹ = 28375673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28375673) 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, 34671 + ... + 35479.

It is an arithmetic number, because the mean of its divisors is an integer number (1556820).

Almost surely, 2^28375675 is an apocalyptic number.

28375675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28375675 is a deficient number, since it is larger than the sum of its proper divisors (8988005).

28375675 is a wasteful number, since it uses less digits than its factorization.

28375675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 898 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 28375675 is about 5326.8822964282. The cubic root of 28375675 is about 305.0109285702.

It can be divided in two parts, 2837 and 5675, that multiplied together give a triangular number (16099975 = T₅₆₇₄).

The spelling of 28375675 in words is "twenty-eight million, three hundred seventy-five thousand, six hundred seventy-five".