28565752 has 8 divisors (see below), whose sum is σ = 53560800. Its totient is φ = 14282872.

The previous prime is 28565749. The next prime is 28565767. The reversal of 28565752 is 25756582.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785352 + ... + 1785367.

It is an arithmetic number, because the mean of its divisors is an integer number (6695100).

Almost surely, 2^28565752 is an apocalyptic number.

It is an amenable number.

28565752 is a deficient number, since it is larger than the sum of its proper divisors (24995048).

28565752 is a wasteful number, since it uses less digits than its factorization.

28565752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570725 (or 3570721 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 28565752 is about 5344.6938172359. The cubic root of 28565752 is about 305.6904611907.

The spelling of 28565752 in words is "twenty-eight million, five hundred sixty-five thousand, seven hundred fifty-two".