28074 has 8 divisors (see below), whose sum is σ = 56160. Its totient is φ = 9356.

The previous prime is 28069. The next prime is 28081. The reversal of 28074 is 47082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

28074 is an admirable number.

28074 is a modest number, since divided by 74 gives 28 as remainder.

It is a Curzon number.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 28074.

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, 2334 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (7020).

2²⁸⁰⁷⁴ is an apocalyptic number.

28074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28080).

28074 is a wasteful number, since it uses less digits than its factorization.

28074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 28074 is about 167.5529766969. The cubic root of 28074 is about 30.3926170899.

The spelling of 28074 in words is "twenty-eight thousand, seventy-four".