28760756 has 24 divisors (see below), whose sum is σ = 53249280. Its totient is φ = 13554432.

The previous prime is 28760717. The next prime is 28760773. The reversal of 28760756 is 65706782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16100 + ... + 17796.

It is an arithmetic number, because the mean of its divisors is an integer number (2218720).

Almost surely, 2^28760756 is an apocalyptic number.

It is an amenable number.

28760756 is a deficient number, since it is larger than the sum of its proper divisors (24488524).

28760756 is a wasteful number, since it uses less digits than its factorization.

28760756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 28760756 is about 5362.9055557599. The cubic root of 28760756 is about 306.3844825996.

The spelling of 28760756 in words is "twenty-eight million, seven hundred sixty thousand, seven hundred fifty-six".