28067274 has 24 divisors (see below), whose sum is σ = 61281792. Its totient is φ = 9283560.

The previous prime is 28067269. The next prime is 28067309. The reversal of 28067274 is 47276082.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3594 + ... + 8309.

It is an arithmetic number, because the mean of its divisors is an integer number (2553408).

Almost surely, 2^28067274 is an apocalyptic number.

28067274 is an abundant number, since it is smaller than the sum of its proper divisors (33214518).

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

28067274 is a wasteful number, since it uses less digits than its factorization.

28067274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12042 (or 12039 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 28067274 is about 5297.8556039213. The cubic root of 28067274 is about 303.9018973040.

The spelling of 28067274 in words is "twenty-eight million, sixty-seven thousand, two hundred seventy-four".