7242432 has 56 divisors (see below), whose sum is σ = 19482816. Its totient is φ = 2373888.

The previous prime is 7242419. The next prime is 7242449. The reversal of 7242432 is 2342427.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12583 + ... + 13145.

Almost surely, 2^7242432 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 7242432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9741408).

7242432 is an abundant number, since it is smaller than the sum of its proper divisors (12240384).

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

7242432 is a wasteful number, since it uses less digits than its factorization.

7242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 635 counting only the distinct ones).

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

The square root of 7242432 is about 2691.1766943105. The cubic root of 7242432 is about 193.4764642301.

Adding to 7242432 its reverse (2342427), we get a palindrome (9584859).

The spelling of 7242432 in words is "seven million, two hundred forty-two thousand, four hundred thirty-two".