28375673 has 2 divisors, whose sum is σ = 28375674. Its totient is φ = 28375672.

The previous prime is 28375667. The next prime is 28375679. The reversal of 28375673 is 37657382.

It is a balanced prime because it is at equal distance from previous prime (28375667) and next prime (28375679).

It can be written as a sum of positive squares in only one way, i.e., 24522304 + 3853369 = 4952^2 + 1963^2 .

It is a cyclic number.

It is not a de Polignac number, because 28375673 - 2¹⁶ = 28310137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28375673.

It is not a weakly prime, because it can be changed into another prime (28375679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14187836 + 14187837.

It is an arithmetic number, because the mean of its divisors is an integer number (14187837).

Almost surely, 2^28375673 is an apocalyptic number.

It is an amenable number.

28375673 is a deficient number, since it is larger than the sum of its proper divisors (1).

28375673 is an equidigital number, since it uses as much as digits as its factorization.

28375673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 28375673 is about 5326.8821087011. The cubic root of 28375673 is about 305.0109214041.

It can be divided in two parts, 2837 and 5673, that multiplied together give a triangular number (16094301 = T₅₆₇₃).

The spelling of 28375673 in words is "twenty-eight million, three hundred seventy-five thousand, six hundred seventy-three".