28140675 has 12 divisors (see below), whose sum is σ = 46526040. Its totient is φ = 15008320.

The previous prime is 28140647. The next prime is 28140709. The reversal of 28140675 is 57604182.

It is not a de Polignac number, because 28140675 - 2⁸ = 28140419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187530 + ... + 187679.

It is an arithmetic number, because the mean of its divisors is an integer number (3877170).

Almost surely, 2^28140675 is an apocalyptic number.

28140675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28140675 is a deficient number, since it is larger than the sum of its proper divisors (18385365).

28140675 is a wasteful number, since it uses less digits than its factorization.

28140675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375222 (or 375217 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 28140675 is about 5304.7785062149. The cubic root of 28140675 is about 304.1665861846.

The spelling of 28140675 in words is "twenty-eight million, one hundred forty thousand, six hundred seventy-five".