28071168 has 36 divisors (see below), whose sum is σ = 74712288. Its totient is φ = 9356800.

The previous prime is 28071119. The next prime is 28071187. The reversal of 28071168 is 86117082.

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 3 ways as a sum of consecutive naturals, for example, 17508 + ... + 19043.

Almost surely, 2^28071168 is an apocalyptic number.

It is an amenable number.

28071168 is an abundant number, since it is smaller than the sum of its proper divisors (46641120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28071168 is an equidigital number, since it uses as much as digits as its factorization.

28071168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36570 (or 36556 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 28071168 is about 5298.2230983604. The cubic root of 28071168 is about 303.9159509104.

The spelling of 28071168 in words is "twenty-eight million, seventy-one thousand, one hundred sixty-eight".