28572303 has 8 divisors (see below), whose sum is σ = 38466688. Its totient is φ = 18863064.

The previous prime is 28572301. The next prime is 28572307. The reversal of 28572303 is 30327582.

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

It is not a de Polignac number, because 28572303 - 2¹ = 28572301 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 (28572301) 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, 45925 + ... + 46542.

It is an arithmetic number, because the mean of its divisors is an integer number (4808336).

Almost surely, 2^28572303 is an apocalyptic number.

28572303 is a deficient number, since it is larger than the sum of its proper divisors (9894385).

28572303 is a wasteful number, since it uses less digits than its factorization.

28572303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92573.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 28572303 is about 5345.3066329257. The cubic root of 28572303 is about 305.7138274598.

Adding to 28572303 its reverse (30327582), we get a palindrome (58899885).

The spelling of 28572303 in words is "twenty-eight million, five hundred seventy-two thousand, three hundred three".