28733774 has 8 divisors (see below), whose sum is σ = 45636048. Its totient is φ = 13521760.

The previous prime is 28733759. The next prime is 28733797. The reversal of 28733774 is 47733782.

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, 422522 + ... + 422589.

It is an arithmetic number, because the mean of its divisors is an integer number (5704506).

Almost surely, 2^28733774 is an apocalyptic number.

28733774 is a deficient number, since it is larger than the sum of its proper divisors (16902274).

28733774 is a wasteful number, since it uses less digits than its factorization.

28733774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845130.

The product of its digits is 197568, while the sum is 41.

The square root of 28733774 is about 5360.3893515304. The cubic root of 28733774 is about 306.2886407442.

The spelling of 28733774 in words is "twenty-eight million, seven hundred thirty-three thousand, seven hundred seventy-four".