73224481 has 12 divisors (see below), whose sum is σ = 80840592. Its totient is φ = 66275000.

The previous prime is 73224467. The next prime is 73224521. The reversal of 73224481 is 18442237.

It is not a de Polignac number, because 73224481 - 2¹⁷ = 73093409 is a prime.

It is a super-2 number, since 2×73224481² = 10723649235438722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (73224421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29166 + ... + 31576.

It is an arithmetic number, because the mean of its divisors is an integer number (6736716).

Almost surely, 2^73224481 is an apocalyptic number.

It is an amenable number.

73224481 is a deficient number, since it is larger than the sum of its proper divisors (7616111).

73224481 is a wasteful number, since it uses less digits than its factorization.

73224481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2673 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 73224481 is about 8557.1304185457. The cubic root of 73224481 is about 418.3618749893.

The spelling of 73224481 in words is "seventy-three million, two hundred twenty-four thousand, four hundred eighty-one".