73224416450 has 48 divisors (see below), whose sum is σ = 141035330304. Its totient is φ = 28255329600.

The previous prime is 73224416401. The next prime is 73224416453. The reversal of 73224416450 is 5461442237.

It is a happy number.

It is a super-3 number, since 3×73224416450³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (73224416453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416837 + ... + 565863.

It is an arithmetic number, because the mean of its divisors is an integer number (2938236048).

Almost surely, 2^73224416450 is an apocalyptic number.

73224416450 is a deficient number, since it is larger than the sum of its proper divisors (67810913854).

73224416450 is a wasteful number, since it uses less digits than its factorization.

73224416450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149387 (or 149382 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 73224416450 its reverse (5461442237), we get a palindrome (78685858687).

The spelling of 73224416450 in words is "seventy-three billion, two hundred twenty-four million, four hundred sixteen thousand, four hundred fifty".