28558074 has 8 divisors (see below), whose sum is σ = 57116160. Its totient is φ = 9519356.

The previous prime is 28558073. The next prime is 28558133. The reversal of 28558074 is 47085582.

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

28558074 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28558073) 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, 2379834 + ... + 2379845.

It is an arithmetic number, because the mean of its divisors is an integer number (7139520).

Almost surely, 2^28558074 is an apocalyptic number.

28558074 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.

28558074 is a wasteful number, since it uses less digits than its factorization.

28558074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759684.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 28558074 is about 5343.9754864707. The cubic root of 28558074 is about 305.6630705625.

The spelling of 28558074 in words is "twenty-eight million, five hundred fifty-eight thousand, seventy-four".