73053439 has 2 divisors, whose sum is σ = 73053440. Its totient is φ = 73053438.

The previous prime is 73053419. The next prime is 73053467. The reversal of 73053439 is 93435037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73053439 - 2⁷ = 73053311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73053419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36526719 + 36526720.

It is an arithmetic number, because the mean of its divisors is an integer number (36526720).

Almost surely, 2^73053439 is an apocalyptic number.

73053439 is a deficient number, since it is larger than the sum of its proper divisors (1).

73053439 is an equidigital number, since it uses as much as digits as its factorization.

73053439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 73053439 is about 8547.1304541349. The cubic root of 73053439 is about 418.0358763648.

The spelling of 73053439 in words is "seventy-three million, fifty-three thousand, four hundred thirty-nine".