73224523 has 2 divisors, whose sum is σ = 73224524. Its totient is φ = 73224522.

The previous prime is 73224521. The next prime is 73224527. The reversal of 73224523 is 32542237.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73224523 - 2¹ = 73224521 is a prime.

Together with 73224521, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 73224491 and 73224500.

It is not a weakly prime, because it can be changed into another prime (73224521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36612261 + 36612262.

It is an arithmetic number, because the mean of its divisors is an integer number (36612262).

Almost surely, 2^73224523 is an apocalyptic number.

73224523 is a deficient number, since it is larger than the sum of its proper divisors (1).

73224523 is an equidigital number, since it uses as much as digits as its factorization.

73224523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 28.

The square root of 73224523 is about 8557.1328726391. The cubic root of 73224523 is about 418.3619549771.

It can be divided in two parts, 7 and 3224523, that added together give a triangular number (3224530 = T₂₅₃₉).

The spelling of 73224523 in words is "seventy-three million, two hundred twenty-four thousand, five hundred twenty-three".