28500274 has 16 divisors (see below), whose sum is σ = 46726560. Its totient is φ = 12929760.

The previous prime is 28500239. The next prime is 28500287. The reversal of 28500274 is 47200582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15382 + ... + 17134.

It is an arithmetic number, because the mean of its divisors is an integer number (2920410).

Almost surely, 2^28500274 is an apocalyptic number.

28500274 is a deficient number, since it is larger than the sum of its proper divisors (18226286).

28500274 is a wasteful number, since it uses less digits than its factorization.

28500274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 28500274 is about 5338.5647884052. The cubic root of 28500274 is about 305.4567160987.

The spelling of 28500274 in words is "twenty-eight million, five hundred thousand, two hundred seventy-four".