28734154 has 8 divisors (see below), whose sum is σ = 43342560. Its totient is φ = 14286636.

The previous prime is 28734151. The next prime is 28734161. The reversal of 28734154 is 45143782.

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

It is not an unprimeable number, because it can be changed into a prime (28734151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39774 + ... + 40489.

It is an arithmetic number, because the mean of its divisors is an integer number (5417820).

Almost surely, 2^28734154 is an apocalyptic number.

28734154 is a deficient number, since it is larger than the sum of its proper divisors (14608406).

28734154 is a wasteful number, since it uses less digits than its factorization.

28734154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80444.

The product of its digits is 26880, while the sum is 34.

The square root of 28734154 is about 5360.4247965996. The cubic root of 28734154 is about 306.2899909459.

The spelling of 28734154 in words is "twenty-eight million, seven hundred thirty-four thousand, one hundred fifty-four".