28425574 has 8 divisors (see below), whose sum is σ = 44013888. Its totient is φ = 13754280.

The previous prime is 28425569. The next prime is 28425601. The reversal of 28425574 is 47552482.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229177 + ... + 229300.

It is an arithmetic number, because the mean of its divisors is an integer number (5501736).

Almost surely, 2^28425574 is an apocalyptic number.

28425574 is a deficient number, since it is larger than the sum of its proper divisors (15588314).

28425574 is a wasteful number, since it uses less digits than its factorization.

28425574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458510.

The product of its digits is 89600, while the sum is 37.

The square root of 28425574 is about 5331.5639356572. The cubic root of 28425574 is about 305.1896124565.

The spelling of 28425574 in words is "twenty-eight million, four hundred twenty-five thousand, five hundred seventy-four".