28033274 has 16 divisors (see below), whose sum is σ = 44288640. Its totient is φ = 13281840.

The previous prime is 28033211. The next prime is 28033277. The reversal of 28033274 is 47233082.

It is not an unprimeable number, because it can be changed into a prime (28033277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2219 + ... + 7809.

It is an arithmetic number, because the mean of its divisors is an integer number (2768040).

Almost surely, 2^28033274 is an apocalyptic number.

28033274 is a deficient number, since it is larger than the sum of its proper divisors (16255366).

28033274 is a wasteful number, since it uses less digits than its factorization.

28033274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 28033274 is about 5294.6457860748. The cubic root of 28033274 is about 303.7791346449.

The spelling of 28033274 in words is "twenty-eight million, thirty-three thousand, two hundred seventy-four".