28573573 has 8 divisors (see below), whose sum is σ = 32712320. Its totient is φ = 24449040.

The previous prime is 28573553. The next prime is 28573621. The reversal of 28573573 is 37537582.

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

It is a de Polignac number, because none of the positive numbers 2^k-28573573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28573513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183 + ... + 7651.

It is an arithmetic number, because the mean of its divisors is an integer number (4089040).

Almost surely, 2^28573573 is an apocalyptic number.

It is an amenable number.

28573573 is a deficient number, since it is larger than the sum of its proper divisors (4138747).

28573573 is an equidigital number, since it uses as much as digits as its factorization.

28573573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7107.

The product of its digits is 176400, while the sum is 40.

The square root of 28573573 is about 5345.4254274099. The cubic root of 28573573 is about 305.7183569140.

The spelling of 28573573 in words is "twenty-eight million, five hundred seventy-three thousand, five hundred seventy-three".