28544734 has 8 divisors (see below), whose sum is σ = 45335808. Its totient is φ = 13432800.

The previous prime is 28544693. The next prime is 28544743. The reversal of 28544734 is 43744582.

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

It is a junction number, because it is equal to n+sod(n) for n = 28544693 and 28544702.

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, 419742 + ... + 419809.

It is an arithmetic number, because the mean of its divisors is an integer number (5666976).

Almost surely, 2^28544734 is an apocalyptic number.

28544734 is a deficient number, since it is larger than the sum of its proper divisors (16791074).

28544734 is a wasteful number, since it uses less digits than its factorization.

28544734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839570.

The product of its digits is 107520, while the sum is 37.

The square root of 28544734 is about 5342.7272062122. The cubic root of 28544734 is about 305.6154695417.

The spelling of 28544734 in words is "twenty-eight million, five hundred forty-four thousand, seven hundred thirty-four".