73224133 has 4 divisors (see below), whose sum is σ = 74465280. Its totient is φ = 71982988.

The previous prime is 73224131. The next prime is 73224143. The reversal of 73224133 is 33142237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33142237 = 2909 ⋅11393.

It is a cyclic number.

It is not a de Polignac number, because 73224133 - 2¹ = 73224131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73224098 and 73224107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73224131) 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, 620485 + ... + 620602.

It is an arithmetic number, because the mean of its divisors is an integer number (18616320).

Almost surely, 2^73224133 is an apocalyptic number.

It is an amenable number.

73224133 is a deficient number, since it is larger than the sum of its proper divisors (1241147).

73224133 is a wasteful number, since it uses less digits than its factorization.

73224133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241146.

The product of its digits is 3024, while the sum is 25.

The square root of 73224133 is about 8557.1100846022. The cubic root of 73224133 is about 418.3612122321.

The spelling of 73224133 in words is "seventy-three million, two hundred twenty-four thousand, one hundred thirty-three".