28752206 has 24 divisors (see below), whose sum is σ = 52029360. Its totient is φ = 11671776.

The previous prime is 28752197. The next prime is 28752211. The reversal of 28752206 is 60225782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2210 + ... + 7898.

It is an arithmetic number, because the mean of its divisors is an integer number (2167890).

Almost surely, 2^28752206 is an apocalyptic number.

28752206 is a deficient number, since it is larger than the sum of its proper divisors (23277154).

28752206 is a wasteful number, since it uses less digits than its factorization.

28752206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736 (or 5717 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 28752206 is about 5362.1083539966. The cubic root of 28752206 is about 306.3541189222.

Adding to 28752206 its reverse (60225782), we get a palindrome (88977988).

The spelling of 28752206 in words is "twenty-eight million, seven hundred fifty-two thousand, two hundred six".