28673752 has 16 divisors (see below), whose sum is σ = 53822160. Its totient is φ = 14321184.

The previous prime is 28673707. The next prime is 28673759. The reversal of 28673752 is 25737682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28673759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10338 + ... + 12814.

It is an arithmetic number, because the mean of its divisors is an integer number (3363885).

Almost surely, 2^28673752 is an apocalyptic number.

It is an amenable number.

28673752 is a deficient number, since it is larger than the sum of its proper divisors (25148408).

28673752 is a wasteful number, since it uses less digits than its factorization.

28673752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930 (or 3926 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 28673752 is about 5354.7877642349. The cubic root of 28673752 is about 306.0752232227.

The spelling of 28673752 in words is "twenty-eight million, six hundred seventy-three thousand, seven hundred fifty-two".