28636750 has 16 divisors (see below), whose sum is σ = 53608464. Its totient is φ = 11454600.

The previous prime is 28636747. The next prime is 28636759. The reversal of 28636750 is 5763682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28636759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57024 + ... + 57523.

It is an arithmetic number, because the mean of its divisors is an integer number (3350529).

Almost surely, 2^28636750 is an apocalyptic number.

28636750 is a deficient number, since it is larger than the sum of its proper divisors (24971714).

28636750 is a wasteful number, since it uses less digits than its factorization.

28636750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114564 (or 114554 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 28636750 is about 5351.3316099827. The cubic root of 28636750 is about 305.9435084461.

The spelling of 28636750 in words is "twenty-eight million, six hundred thirty-six thousand, seven hundred fifty".