7423232 has 36 divisors (see below), whose sum is σ = 15011136. Its totient is φ = 3663360.

The previous prime is 7423231. The next prime is 7423249. The reversal of 7423232 is 2323247.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7423198 and 7423207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7423231) by changing a digit.

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, 27257 + ... + 27527.

It is an arithmetic number, because the mean of its divisors is an integer number (416976).

Almost surely, 2^7423232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7423232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7505568).

7423232 is an abundant number, since it is smaller than the sum of its proper divisors (7587904).

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

7423232 is a wasteful number, since it uses less digits than its factorization.

7423232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 380 counting only the distinct ones).

The product of its digits is 2016, while the sum is 23.

The square root of 7423232 is about 2724.5608820505. The cubic root of 7423232 is about 195.0732313158.

Adding to 7423232 its reverse (2323247), we get a palindrome (9746479).

The spelling of 7423232 in words is "seven million, four hundred twenty-three thousand, two hundred thirty-two".