28140573 has 8 divisors (see below), whose sum is σ = 37907968. Its totient is φ = 18566784.

The previous prime is 28140571. The next prime is 28140583. The reversal of 28140573 is 37504182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28140573 - 2¹ = 28140571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28140573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28140571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48061 + ... + 48642.

It is an arithmetic number, because the mean of its divisors is an integer number (4738496).

Almost surely, 2^28140573 is an apocalyptic number.

It is an amenable number.

28140573 is a deficient number, since it is larger than the sum of its proper divisors (9767395).

28140573 is an equidigital number, since it uses as much as digits as its factorization.

28140573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96803.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 28140573 is about 5304.7688922327. The cubic root of 28140573 is about 304.1662186854.

The spelling of 28140573 in words is "twenty-eight million, one hundred forty thousand, five hundred seventy-three".