7920528 has 80 divisors (see below), whose sum is σ = 25522176. Its totient is φ = 2056320.

The previous prime is 7920481. The next prime is 7920529. The reversal of 7920528 is 8250297.

7920528 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (7920529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625 + ... + 4767.

Almost surely, 2^7920528 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 7920528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12761088).

7920528 is an abundant number, since it is smaller than the sum of its proper divisors (17601648).

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

7920528 is a wasteful number, since it uses less digits than its factorization.

7920528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 7920528 is about 2814.3432626458. The cubic root of 7920528 is about 199.3355281641.

It can be divided in two parts, 7920 and 528, that added together give a palindrome (8448).

The spelling of 7920528 in words is "seven million, nine hundred twenty thousand, five hundred twenty-eight".