73106543 has 2 divisors, whose sum is σ = 73106544. Its totient is φ = 73106542.

The previous prime is 73106519. The next prime is 73106549. The reversal of 73106543 is 34560137.

It is a strong prime.

It is an emirp because it is prime and its reverse (34560137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73106543 - 2⁸ = 73106287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73106549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36553271 + 36553272.

It is an arithmetic number, because the mean of its divisors is an integer number (36553272).

Almost surely, 2^73106543 is an apocalyptic number.

73106543 is a deficient number, since it is larger than the sum of its proper divisors (1).

73106543 is an equidigital number, since it uses as much as digits as its factorization.

73106543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 73106543 is about 8550.2364294796. The cubic root of 73106543 is about 418.1371446994.

The spelling of 73106543 in words is "seventy-three million, one hundred six thousand, five hundred forty-three".