7523728 has 40 divisors (see below), whose sum is σ = 15266880. Its totient is φ = 3588480.

The previous prime is 7523717. The next prime is 7523729. The reversal of 7523728 is 8273257.

It is a junction number, because it is equal to n+sod(n) for n = 7523693 and 7523702.

It is not an unprimeable number, because it can be changed into a prime (7523729) 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 7 ways as a sum of consecutive naturals, for example, 41943 + ... + 42121.

It is an arithmetic number, because the mean of its divisors is an integer number (381672).

Almost surely, 2^7523728 is an apocalyptic number.

It is an amenable number.

7523728 is an abundant number, since it is smaller than the sum of its proper divisors (7743152).

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

7523728 is a wasteful number, since it uses less digits than its factorization.

7523728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 289 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 7523728 is about 2742.9414867984. The cubic root of 7523728 is about 195.9495913682.

The spelling of 7523728 in words is "seven million, five hundred twenty-three thousand, seven hundred twenty-eight".