73243445 has 8 divisors (see below), whose sum is σ = 95882400. Its totient is φ = 53267920.

The previous prime is 73243397. The next prime is 73243447. The reversal of 73243445 is 54434237.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73243445 - 2⁸ = 73243189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73243447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665795 + ... + 665904.

It is an arithmetic number, because the mean of its divisors is an integer number (11985300).

Almost surely, 2^73243445 is an apocalyptic number.

It is an amenable number.

73243445 is a deficient number, since it is larger than the sum of its proper divisors (22638955).

73243445 is a wasteful number, since it uses less digits than its factorization.

73243445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331715.

The product of its digits is 40320, while the sum is 32.

The square root of 73243445 is about 8558.2384285553. The cubic root of 73243445 is about 418.3979882749.

The spelling of 73243445 in words is "seventy-three million, two hundred forty-three thousand, four hundred forty-five".