28427673 has 8 divisors (see below), whose sum is σ = 37965088. Its totient is φ = 18921024.

The previous prime is 28427671. The next prime is 28427677. The reversal of 28427673 is 37672482.

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

It is not a de Polignac number, because 28427673 - 2¹ = 28427671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28427671) 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 7 ways as a sum of consecutive naturals, for example, 5440 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (4745636).

Almost surely, 2^28427673 is an apocalyptic number.

It is an amenable number.

28427673 is a deficient number, since it is larger than the sum of its proper divisors (9537415).

28427673 is a wasteful number, since it uses less digits than its factorization.

28427673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15383.

The product of its digits is 112896, while the sum is 39.

The square root of 28427673 is about 5331.7607785796. The cubic root of 28427673 is about 305.1971242043.

The spelling of 28427673 in words is "twenty-eight million, four hundred twenty-seven thousand, six hundred seventy-three".