28734063 has 8 divisors (see below), whose sum is σ = 40565808. Its totient is φ = 18029184.

The previous prime is 28734059. The next prime is 28734077. The reversal of 28734063 is 36043782.

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

It is not a de Polignac number, because 28734063 - 2² = 28734059 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28734053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281656 + ... + 281757.

It is an arithmetic number, because the mean of its divisors is an integer number (5070726).

Almost surely, 2^28734063 is an apocalyptic number.

28734063 is a deficient number, since it is larger than the sum of its proper divisors (11831745).

28734063 is a wasteful number, since it uses less digits than its factorization.

28734063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563433.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 28734063 is about 5360.4163084596. The cubic root of 28734063 is about 306.2896676092.

The spelling of 28734063 in words is "twenty-eight million, seven hundred thirty-four thousand, sixty-three".