28427703 has 8 divisors (see below), whose sum is σ = 37944816. Its totient is φ = 18931200.

The previous prime is 28427699. The next prime is 28427717. The reversal of 28427703 is 30772482.

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

It is not a de Polignac number, because 28427703 - 2² = 28427699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28427783) 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, 1578 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (4743102).

Almost surely, 2^28427703 is an apocalyptic number.

28427703 is a deficient number, since it is larger than the sum of its proper divisors (9517113).

28427703 is a wasteful number, since it uses less digits than its factorization.

28427703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10305.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 28427703 is about 5331.7635919084. The cubic root of 28427703 is about 305.1972315634.

The spelling of 28427703 in words is "twenty-eight million, four hundred twenty-seven thousand, seven hundred three".