28752710 has 24 divisors (see below), whose sum is σ = 60205680. Its totient is φ = 9857904.

The previous prime is 28752709. The next prime is 28752721. The reversal of 28752710 is 1725782.

It is a Curzon number.

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, 28850 + ... + 29829.

It is an arithmetic number, because the mean of its divisors is an integer number (2508570).

Almost surely, 2^28752710 is an apocalyptic number.

28752710 is an abundant number, since it is smaller than the sum of its proper divisors (31452970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28752710 is a wasteful number, since it uses less digits than its factorization.

28752710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58700 (or 58693 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 28752710 is about 5362.1553502300. The cubic root of 28752710 is about 306.3559089480.

The spelling of 28752710 in words is "twenty-eight million, seven hundred fifty-two thousand, seven hundred ten".