42732773 has 2 divisors, whose sum is σ = 42732774. Its totient is φ = 42732772.

The previous prime is 42732737. The next prime is 42732779. The reversal of 42732773 is 37723724.

Together with previous prime (42732737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42601729 + 131044 = 6527^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 42732773 - 2⁸ = 42732517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42732779) 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, 21366386 + 21366387.

It is an arithmetic number, because the mean of its divisors is an integer number (21366387).

Almost surely, 2^42732773 is an apocalyptic number.

It is an amenable number.

42732773 is a deficient number, since it is larger than the sum of its proper divisors (1).

42732773 is an equidigital number, since it uses as much as digits as its factorization.

42732773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 35.

The square root of 42732773 is about 6537.0309009519. The cubic root of 42732773 is about 349.6125590262.

The spelling of 42732773 in words is "forty-two million, seven hundred thirty-two thousand, seven hundred seventy-three".