72303322 has 96 divisors (see below), whose sum is σ = 149385600. Its totient is φ = 25909632.

The previous prime is 72303307. The next prime is 72303323. The reversal of 72303322 is 22330327.

It is a junction number, because it is equal to n+sod(n) for n = 72303293 and 72303302.

It is not an unprimeable number, because it can be changed into a prime (72303323) 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 in 47 ways as a sum of consecutive naturals, for example, 701923 + ... + 702025.

It is an arithmetic number, because the mean of its divisors is an integer number (1556100).

Almost surely, 2^72303322 is an apocalyptic number.

72303322 is an abundant number, since it is smaller than the sum of its proper divisors (77082278).

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

72303322 is a wasteful number, since it uses less digits than its factorization.

72303322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 72303322 is about 8503.1360097319. The cubic root of 72303322 is about 416.6001453982.

Adding to 72303322 its reverse (22330327), we get a palindrome (94633649).

The spelling of 72303322 in words is "seventy-two million, three hundred three thousand, three hundred twenty-two".