7520500 has 72 divisors (see below), whose sum is σ = 17985240. Its totient is φ = 2745600.

The previous prime is 7520479. The next prime is 7520501. The reversal of 7520500 is 50257.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 7518564 + 1936 = 2742^2 + 44^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7520501) 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 23 ways as a sum of consecutive naturals, for example, 84456 + ... + 84544.

It is an arithmetic number, because the mean of its divisors is an integer number (249795).

Almost surely, 2^7520500 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 7520500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8992620).

7520500 is an abundant number, since it is smaller than the sum of its proper divisors (10464740).

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

7520500 is a wasteful number, since it uses less digits than its factorization.

7520500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 7520500 is about 2742.3530042648. The cubic root of 7520500 is about 195.9215637839.

Adding to 7520500 its reverse (50257), we get a palindrome (7570757).

The spelling of 7520500 in words is "seven million, five hundred twenty thousand, five hundred".