73161743 has 2 divisors, whose sum is σ = 73161744. Its totient is φ = 73161742.

The previous prime is 73161709. The next prime is 73161763. The reversal of 73161743 is 34716137.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73161743 - 2¹⁰ = 73160719 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73161703) 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, 36580871 + 36580872.

It is an arithmetic number, because the mean of its divisors is an integer number (36580872).

Almost surely, 2^73161743 is an apocalyptic number.

73161743 is a deficient number, since it is larger than the sum of its proper divisors (1).

73161743 is an equidigital number, since it uses as much as digits as its factorization.

73161743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 73161743 is about 8553.4638012913. The cubic root of 73161743 is about 418.2423580981.

The spelling of 73161743 in words is "seventy-three million, one hundred sixty-one thousand, seven hundred forty-three".