42832073 has 2 divisors, whose sum is σ = 42832074. Its totient is φ = 42832072.

The previous prime is 42832033. The next prime is 42832079. The reversal of 42832073 is 37023824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31326409 + 11505664 = 5597^2 + 3392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42832073 is a prime.

It is not a weakly prime, because it can be changed into another prime (42832079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21416036 + 21416037.

It is an arithmetic number, because the mean of its divisors is an integer number (21416037).

Almost surely, 2^42832073 is an apocalyptic number.

It is an amenable number.

42832073 is a deficient number, since it is larger than the sum of its proper divisors (1).

42832073 is an equidigital number, since it uses as much as digits as its factorization.

42832073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 42832073 is about 6544.6216850174. The cubic root of 42832073 is about 349.8831528318.

Adding to 42832073 its reverse (37023824), we get a palindrome (79855897).

The spelling of 42832073 in words is "forty-two million, eight hundred thirty-two thousand, seventy-three".