73224443 has 4 divisors (see below), whose sum is σ = 75203520. Its totient is φ = 71245368.

The previous prime is 73224439. The next prime is 73224467. The reversal of 73224443 is 34442237.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73224443 - 2² = 73224439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73224413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989483 + ... + 989556.

It is an arithmetic number, because the mean of its divisors is an integer number (18800880).

Almost surely, 2^73224443 is an apocalyptic number.

73224443 is a deficient number, since it is larger than the sum of its proper divisors (1979077).

73224443 is a wasteful number, since it uses less digits than its factorization.

73224443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979076.

The product of its digits is 16128, while the sum is 29.

The square root of 73224443 is about 8557.1281981749. The cubic root of 73224443 is about 418.3618026194.

The spelling of 73224443 in words is "seventy-three million, two hundred twenty-four thousand, four hundred forty-three".