73444541 has 2 divisors, whose sum is σ = 73444542. Its totient is φ = 73444540.

The previous prime is 73444517. The next prime is 73444561. The reversal of 73444541 is 14544437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71402500 + 2042041 = 8450^2 + 1429^2 .

It is an emirp because it is prime and its reverse (14544437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73444541 - 2⁶ = 73444477 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73444498 and 73444507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73444561) 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, 36722270 + 36722271.

It is an arithmetic number, because the mean of its divisors is an integer number (36722271).

Almost surely, 2^73444541 is an apocalyptic number.

It is an amenable number.

73444541 is a deficient number, since it is larger than the sum of its proper divisors (1).

73444541 is an equidigital number, since it uses as much as digits as its factorization.

73444541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 32.

The square root of 73444541 is about 8569.9790548169. The cubic root of 73444541 is about 418.7805539152.

Adding to 73444541 its reverse (14544437), we get a palindrome (87988978).

The spelling of 73444541 in words is "seventy-three million, four hundred forty-four thousand, five hundred forty-one".