73144843 has 2 divisors, whose sum is σ = 73144844. Its totient is φ = 73144842.

The previous prime is 73144817. The next prime is 73144867. The reversal of 73144843 is 34844137.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73144843 - 2⁵ = 73144811 is a prime.

It is a super-3 number, since 3×73144843³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73144799 and 73144808.

It is not a weakly prime, because it can be changed into another prime (73141843) 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, 36572421 + 36572422.

It is an arithmetic number, because the mean of its divisors is an integer number (36572422).

Almost surely, 2^73144843 is an apocalyptic number.

73144843 is a deficient number, since it is larger than the sum of its proper divisors (1).

73144843 is an equidigital number, since it uses as much as digits as its factorization.

73144843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 73144843 is about 8552.4758403634. The cubic root of 73144843 is about 418.2101516476.

The spelling of 73144843 in words is "seventy-three million, one hundred forty-four thousand, eight hundred forty-three".