28575675 has 36 divisors (see below), whose sum is σ = 51793560. Its totient is φ = 15058560.

The previous prime is 28575649. The next prime is 28575751. The reversal of 28575675 is 57657582.

28575675 is a `hidden beast` number, since 2 + 8 + 575 + 6 + 75 = 666.

It is not a de Polignac number, because 28575675 - 2¹¹ = 28573627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28575675.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19312 + ... + 20738.

It is an arithmetic number, because the mean of its divisors is an integer number (1438710).

Almost surely, 2^28575675 is an apocalyptic number.

28575675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28575675 is a deficient number, since it is larger than the sum of its proper divisors (23217885).

28575675 is a wasteful number, since it uses less digits than its factorization.

28575675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1524 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 28575675 is about 5345.6220405113. The cubic root of 28575675 is about 305.7258534006.

The spelling of 28575675 in words is "twenty-eight million, five hundred seventy-five thousand, six hundred seventy-five".