7502500 has 30 divisors (see below), whose sum is σ = 16411934. Its totient is φ = 3000000.

The previous prime is 7502483. The next prime is 7502533. The reversal of 7502500 is 52057.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2802276 + 4700224 = 1674^2 + 2168^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1000 + ... + 4000.

Almost surely, 2^7502500 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 7502500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8205967).

7502500 is an abundant number, since it is smaller than the sum of its proper divisors (8909434).

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

7502500 is a wasteful number, since it uses less digits than its factorization.

7502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025 (or 3008 counting only the distinct ones).

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

The square root of 7502500 is about 2739.0691849605. The cubic root of 7502500 is about 195.7651289070.

Adding to 7502500 its reverse (52057), we get a palindrome (7554557).

The spelling of 7502500 in words is "seven million, five hundred two thousand, five hundred".