28682735 has 4 divisors (see below), whose sum is σ = 34419288. Its totient is φ = 22946184.

The previous prime is 28682713. The next prime is 28682777. The reversal of 28682735 is 53728682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28682735 - 2⁶ = 28682671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28682692 and 28682701.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2868269 + ... + 2868278.

It is an arithmetic number, because the mean of its divisors is an integer number (8604822).

Almost surely, 2^28682735 is an apocalyptic number.

28682735 is a deficient number, since it is larger than the sum of its proper divisors (5736553).

28682735 is an equidigital number, since it uses as much as digits as its factorization.

28682735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736552.

The product of its digits is 161280, while the sum is 41.

The square root of 28682735 is about 5355.6264806276. The cubic root of 28682735 is about 306.1071826103.

The spelling of 28682735 in words is "twenty-eight million, six hundred eighty-two thousand, seven hundred thirty-five".