73043753 has 2 divisors, whose sum is σ = 73043754. Its totient is φ = 73043752.

The previous prime is 73043743. The next prime is 73043759. The reversal of 73043753 is 35734037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72726784 + 316969 = 8528^2 + 563^2 .

It is an emirp because it is prime and its reverse (35734037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73043753 - 2⁶ = 73043689 is a prime.

It is not a weakly prime, because it can be changed into another prime (73043759) 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, 36521876 + 36521877.

It is an arithmetic number, because the mean of its divisors is an integer number (36521877).

Almost surely, 2^73043753 is an apocalyptic number.

It is an amenable number.

73043753 is a deficient number, since it is larger than the sum of its proper divisors (1).

73043753 is an equidigital number, since it uses as much as digits as its factorization.

73043753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 32.

The square root of 73043753 is about 8546.5638124336. The cubic root of 73043753 is about 418.0174000525.

The spelling of 73043753 in words is "seventy-three million, forty-three thousand, seven hundred fifty-three".