7213232 has 20 divisors (see below), whose sum is σ = 15051120. Its totient is φ = 3329088.

The previous prime is 7213229. The next prime is 7213243. The reversal of 7213232 is 2323127.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17132 + ... + 17547.

It is an arithmetic number, because the mean of its divisors is an integer number (752556).

Almost surely, 2^7213232 is an apocalyptic number.

It is an amenable number.

7213232 is an abundant number, since it is smaller than the sum of its proper divisors (7837888).

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

7213232 is a wasteful number, since it uses less digits than its factorization.

7213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34700 (or 34694 counting only the distinct ones).

The product of its digits is 504, while the sum is 20.

The square root of 7213232 is about 2685.7460788392. The cubic root of 7213232 is about 193.2160948603.

Adding to 7213232 its reverse (2323127), we get a palindrome (9536359).

The spelling of 7213232 in words is "seven million, two hundred thirteen thousand, two hundred thirty-two".