28632673 has 2 divisors, whose sum is σ = 28632674. Its totient is φ = 28632672.

The previous prime is 28632647. The next prime is 28632683. The reversal of 28632673 is 37623682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19918369 + 8714304 = 4463^2 + 2952^2 .

It is a cyclic number.

It is not a de Polignac number, because 28632673 - 2⁹ = 28632161 is a prime.

It is not a weakly prime, because it can be changed into another prime (28632683) 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 as a sum of consecutive naturals, namely, 14316336 + 14316337.

It is an arithmetic number, because the mean of its divisors is an integer number (14316337).

Almost surely, 2^28632673 is an apocalyptic number.

It is an amenable number.

28632673 is a deficient number, since it is larger than the sum of its proper divisors (1).

28632673 is an equidigital number, since it uses as much as digits as its factorization.

28632673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 28632673 is about 5350.9506632000. The cubic root of 28632673 is about 305.9289887481.

The spelling of 28632673 in words is "twenty-eight million, six hundred thirty-two thousand, six hundred seventy-three".