73944041 has 2 divisors, whose sum is σ = 73944042. Its totient is φ = 73944040.

The previous prime is 73944023. The next prime is 73944043. The reversal of 73944041 is 14044937.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71995225 + 1948816 = 8485^2 + 1396^2 .

It is an emirp because it is prime and its reverse (14044937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73944041 - 2⁶ = 73943977 is a prime.

Together with 73944043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73943989 and 73944007.

It is not a weakly prime, because it can be changed into another prime (73944043) 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, 36972020 + 36972021.

It is an arithmetic number, because the mean of its divisors is an integer number (36972021).

Almost surely, 2^73944041 is an apocalyptic number.

It is an amenable number.

73944041 is a deficient number, since it is larger than the sum of its proper divisors (1).

73944041 is an equidigital number, since it uses as much as digits as its factorization.

73944041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 73944041 is about 8599.0721011049. The cubic root of 73944041 is about 419.7277922484.

Adding to 73944041 its reverse (14044937), we get a palindrome (87988978).

The spelling of 73944041 in words is "seventy-three million, nine hundred forty-four thousand, forty-one".