28325474 has 8 divisors (see below), whose sum is σ = 42511068. Its totient is φ = 14155120.

The previous prime is 28325449. The next prime is 28325477. The reversal of 28325474 is 47452382.

It can be written as a sum of positive squares in 2 ways, for example, as 27825625 + 499849 = 5275^2 + 707^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28325477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4244 + ... + 8640.

Almost surely, 2^28325474 is an apocalyptic number.

28325474 is a deficient number, since it is larger than the sum of its proper divisors (14185594).

28325474 is a wasteful number, since it uses less digits than its factorization.

28325474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620.

The product of its digits is 53760, while the sum is 35.

The square root of 28325474 is about 5322.1681672040. The cubic root of 28325474 is about 304.8309517391.

The spelling of 28325474 in words is "twenty-eight million, three hundred twenty-five thousand, four hundred seventy-four".