28330703 has 4 divisors (see below), whose sum is σ = 28452528. Its totient is φ = 28208880.

The previous prime is 28330697. The next prime is 28330739. The reversal of 28330703 is 30703382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28330703 - 2⁸ = 28330447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28330793) by changing a digit.

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, 60563 + ... + 61028.

It is an arithmetic number, because the mean of its divisors is an integer number (7113132).

Almost surely, 2^28330703 is an apocalyptic number.

28330703 is a deficient number, since it is larger than the sum of its proper divisors (121825).

28330703 is a wasteful number, since it uses less digits than its factorization.

28330703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121824.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 28330703 is about 5322.6593916951. The cubic root of 28330703 is about 304.8497082710.

The spelling of 28330703 in words is "twenty-eight million, three hundred thirty thousand, seven hundred three".