73442419 has 2 divisors, whose sum is σ = 73442420. Its totient is φ = 73442418.

The previous prime is 73442417. The next prime is 73442423. The reversal of 73442419 is 91424437.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73442419 - 2¹ = 73442417 is a prime.

It is a super-3 number, since 3×73442419³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 73442417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73442417) 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, 36721209 + 36721210.

It is an arithmetic number, because the mean of its divisors is an integer number (36721210).

Almost surely, 2^73442419 is an apocalyptic number.

73442419 is a deficient number, since it is larger than the sum of its proper divisors (1).

73442419 is an equidigital number, since it uses as much as digits as its factorization.

73442419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 73442419 is about 8569.8552496527. The cubic root of 73442419 is about 418.7765206638.

The spelling of 73442419 in words is "seventy-three million, four hundred forty-two thousand, four hundred nineteen".