28760375 has 16 divisors (see below), whose sum is σ = 41021760. Its totient is φ = 19720800.

The previous prime is 28760371. The next prime is 28760377. The reversal of 28760375 is 57306782.

It is a happy number.

It is not a de Polignac number, because 28760375 - 2² = 28760371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28760371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15560 + ... + 17309.

It is an arithmetic number, because the mean of its divisors is an integer number (2563860).

Almost surely, 2^28760375 is an apocalyptic number.

28760375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28760375 is a deficient number, since it is larger than the sum of its proper divisors (12261385).

28760375 is an equidigital number, since it uses as much as digits as its factorization.

28760375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32891 (or 32881 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 28760375 is about 5362.8700338531. The cubic root of 28760375 is about 306.3831296797.

The spelling of 28760375 in words is "twenty-eight million, seven hundred sixty thousand, three hundred seventy-five".