28734064 has 20 divisors (see below), whose sum is σ = 56101320. Its totient is φ = 14256320.

The previous prime is 28734059. The next prime is 28734077. The reversal of 28734064 is 46043782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4759 + ... + 8950.

It is an arithmetic number, because the mean of its divisors is an integer number (2805066).

Almost surely, 2^28734064 is an apocalyptic number.

It is an amenable number.

28734064 is a deficient number, since it is larger than the sum of its proper divisors (27367256).

28734064 is a wasteful number, since it uses less digits than its factorization.

28734064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13848 (or 13842 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 28734064 is about 5360.4164017360. The cubic root of 28734064 is about 306.2896711624.

The spelling of 28734064 in words is "twenty-eight million, seven hundred thirty-four thousand, sixty-four".