28696075 has 6 divisors (see below), whose sum is σ = 35583164. Its totient is φ = 22956840.

The previous prime is 28696067. The next prime is 28696091. The reversal of 28696075 is 57069682.

It is not a de Polignac number, because 28696075 - 2³ = 28696067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 573897 + ... + 573946.

Almost surely, 2^28696075 is an apocalyptic number.

28696075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28696075 is a deficient number, since it is larger than the sum of its proper divisors (6887089).

28696075 is a wasteful number, since it uses less digits than its factorization.

28696075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147853 (or 1147848 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 28696075 is about 5356.8717550451. The cubic root of 28696075 is about 306.1546308623.

The spelling of 28696075 in words is "twenty-eight million, six hundred ninety-six thousand, seventy-five".