73212322 has 8 divisors (see below), whose sum is σ = 111618972. Its totient is φ = 36006000.

The previous prime is 73212317. The next prime is 73212329. The reversal of 73212322 is 22321237.

It can be written as a sum of positive squares in 2 ways, for example, as 71419401 + 1792921 = 8451^2 + 1339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 73212293 and 73212302.

It is not an unprimeable number, because it can be changed into a prime (73212329) 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 3 ways as a sum of consecutive naturals, for example, 299929 + ... + 300172.

Almost surely, 2^73212322 is an apocalyptic number.

73212322 is a deficient number, since it is larger than the sum of its proper divisors (38406650).

73212322 is a wasteful number, since it uses less digits than its factorization.

73212322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600164.

The product of its digits is 1008, while the sum is 22.

The square root of 73212322 is about 8556.4199289189. The cubic root of 73212322 is about 418.3387172350.

Adding to 73212322 its reverse (22321237), we get a palindrome (95533559).

The spelling of 73212322 in words is "seventy-three million, two hundred twelve thousand, three hundred twenty-two".