7290528 has 96 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 1969920.

The previous prime is 7290527. The next prime is 7290529. The reversal of 7290528 is 8250927.

It is an interprime number because it is at equal distance from previous prime (7290527) and next prime (7290529).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (7290523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12483 + ... + 13053.

It is an arithmetic number, because the mean of its divisors is an integer number (240240).

Almost surely, 2^7290528 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 7290528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11531520).

7290528 is an abundant number, since it is smaller than the sum of its proper divisors (15772512).

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

7290528 is a wasteful number, since it uses less digits than its factorization.

7290528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 602 counting only the distinct ones).

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

The square root of 7290528 is about 2700.0977760074. The cubic root of 7290528 is about 193.9038032307.

The spelling of 7290528 in words is "seven million, two hundred ninety thousand, five hundred twenty-eight".