28025274 has 8 divisors (see below), whose sum is σ = 56050560. Its totient is φ = 9341756.

The previous prime is 28025273. The next prime is 28025297. The reversal of 28025274 is 47252082.

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

28025274 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28025273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335434 + ... + 2335445.

It is an arithmetic number, because the mean of its divisors is an integer number (7006320).

Almost surely, 2^28025274 is an apocalyptic number.

28025274 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.

28025274 is a wasteful number, since it uses less digits than its factorization.

28025274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670884.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 28025274 is about 5293.8902519792. The cubic root of 28025274 is about 303.7502348895.

The spelling of 28025274 in words is "twenty-eight million, twenty-five thousand, two hundred seventy-four".