73204224 has 40 divisors (see below), whose sum is σ = 195024720. Its totient is φ = 24400896.

The previous prime is 73204213. The next prime is 73204231. The reversal of 73204224 is 42240237.

It is a super-2 number, since 2×73204224² = 10717716822884352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 73204194 and 73204203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22294 + ... + 25365.

It is an arithmetic number, because the mean of its divisors is an integer number (4875618).

Almost surely, 2^73204224 is an apocalyptic number.

It is an amenable number.

73204224 is an abundant number, since it is smaller than the sum of its proper divisors (121820496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73204224 is an equidigital number, since it uses as much as digits as its factorization.

73204224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47680 (or 47664 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 73204224 is about 8555.9467039013. The cubic root of 73204224 is about 418.3232925462.

The spelling of 73204224 in words is "seventy-three million, two hundred four thousand, two hundred twenty-four".