28530735 has 8 divisors (see below), whose sum is σ = 45649200. Its totient is φ = 15216384.

The previous prime is 28530721. The next prime is 28530763. The reversal of 28530735 is 53703582.

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

It is not a de Polignac number, because 28530735 - 2⁵ = 28530703 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28530696 and 28530705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951010 + ... + 951039.

It is an arithmetic number, because the mean of its divisors is an integer number (5706150).

Almost surely, 2^28530735 is an apocalyptic number.

28530735 is a deficient number, since it is larger than the sum of its proper divisors (17118465).

28530735 is a wasteful number, since it uses less digits than its factorization.

28530735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902057.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 28530735 is about 5341.4169468410. The cubic root of 28530735 is about 305.5655010659.

The spelling of 28530735 in words is "twenty-eight million, five hundred thirty thousand, seven hundred thirty-five".