45072773 has 2 divisors, whose sum is σ = 45072774. Its totient is φ = 45072772.

The previous prime is 45072761. The next prime is 45072779. The reversal of 45072773 is 37727054.

45072773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36204289 + 8868484 = 6017^2 + 2978^2 .

It is a cyclic number.

It is not a de Polignac number, because 45072773 - 2¹⁰ = 45071749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45072779) 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, 22536386 + 22536387.

It is an arithmetic number, because the mean of its divisors is an integer number (22536387).

Almost surely, 2^45072773 is an apocalyptic number.

It is an amenable number.

45072773 is a deficient number, since it is larger than the sum of its proper divisors (1).

45072773 is an equidigital number, since it uses as much as digits as its factorization.

45072773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 45072773 is about 6713.6259204695. The cubic root of 45072773 is about 355.8809648108.

The spelling of 45072773 in words is "forty-five million, seventy-two thousand, seven hundred seventy-three".