28152734 has 8 divisors (see below), whose sum is σ = 42282648. Its totient is φ = 14058520.

The previous prime is 28152727. The next prime is 28152763. The reversal of 28152734 is 43725182.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28152734.

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, 6857 + ... + 10164.

It is an arithmetic number, because the mean of its divisors is an integer number (5285331).

Almost surely, 2^28152734 is an apocalyptic number.

28152734 is a deficient number, since it is larger than the sum of its proper divisors (14129914).

28152734 is a wasteful number, since it uses less digits than its factorization.

28152734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17850.

The product of its digits is 13440, while the sum is 32.

The square root of 28152734 is about 5305.9150012038. The cubic root of 28152734 is about 304.2100277042.

The spelling of 28152734 in words is "twenty-eight million, one hundred fifty-two thousand, seven hundred thirty-four".