7525140 has 192 divisors, whose sum is σ = 27095040. Its totient is φ = 1520640.

The previous prime is 7525127. The next prime is 7525151. The reversal of 7525140 is 415257.

It is a self number, because there is not a number n which added to its sum of digits gives 7525140.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 183520 + ... + 183560.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

Almost surely, 2^7525140 is an apocalyptic number.

7525140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7525140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13547520).

7525140 is an abundant number, since it is smaller than the sum of its proper divisors (19569900).

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

7525140 is a wasteful number, since it uses less digits than its factorization.

7525140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 7525140 is about 2743.1988626419. The cubic root of 7525140 is about 195.9618487454.

The spelling of 7525140 in words is "seven million, five hundred twenty-five thousand, one hundred forty".