32643073 has 2 divisors, whose sum is σ = 32643074. Its totient is φ = 32643072.

The previous prime is 32643059. The next prime is 32643089. The reversal of 32643073 is 37034623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32626944 + 16129 = 5712^2 + 127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32643073 is a prime.

It is not a weakly prime, because it can be changed into another prime (32643773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16321536 + 16321537.

It is an arithmetic number, because the mean of its divisors is an integer number (16321537).

Almost surely, 2^32643073 is an apocalyptic number.

It is an amenable number.

32643073 is a deficient number, since it is larger than the sum of its proper divisors (1).

32643073 is an equidigital number, since it uses as much as digits as its factorization.

32643073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 32643073 is about 5713.4116777981. The cubic root of 32643073 is about 319.5928186939.

Adding to 32643073 its reverse (37034623), we get a palindrome (69677696).

The spelling of 32643073 in words is "thirty-two million, six hundred forty-three thousand, seventy-three".