28046673 has 12 divisors (see below), whose sum is σ = 41067780. Its totient is φ = 18441216.

The previous prime is 28046671. The next prime is 28046731. The reversal of 28046673 is 37664082.

It can be written as a sum of positive squares in 2 ways, for example, as 13046544 + 15000129 = 3612^2 + 3873^2 .

It is not a de Polignac number, because 28046673 - 2¹ = 28046671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28046671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20688 + ... + 22001.

It is an arithmetic number, because the mean of its divisors is an integer number (3422315).

Almost surely, 2^28046673 is an apocalyptic number.

It is an amenable number.

28046673 is a deficient number, since it is larger than the sum of its proper divisors (13021107).

28046673 is a wasteful number, since it uses less digits than its factorization.

28046673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42768 (or 42765 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 28046673 is about 5295.9109697955. The cubic root of 28046673 is about 303.8275258092.

The spelling of 28046673 in words is "twenty-eight million, forty-six thousand, six hundred seventy-three".