28075267 has 12 divisors (see below), whose sum is σ = 31698688. Its totient is φ = 24829200.

The previous prime is 28075253. The next prime is 28075291. The reversal of 28075267 is 76257082.

It is not a de Polignac number, because 28075267 - 2¹⁹ = 27550979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28075207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1342 + ... + 7612.

Almost surely, 2^28075267 is an apocalyptic number.

28075267 is a deficient number, since it is larger than the sum of its proper divisors (3623421).

28075267 is a wasteful number, since it uses less digits than its factorization.

28075267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330 (or 6319 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 28075267 is about 5298.6099120430. The cubic root of 28075267 is about 303.9307429662.

The spelling of 28075267 in words is "twenty-eight million, seventy-five thousand, two hundred sixty-seven".