7528745 has 16 divisors (see below), whose sum is σ = 10378368. Its totient is φ = 5136000.

The previous prime is 7528733. The next prime is 7528747. The reversal of 7528745 is 5478257.

It is not a de Polignac number, because 7528745 - 2⁸ = 7528489 is a prime.

Its product of digits (78400) is a multiple of the sum of its prime divisors (1120).

It is a junction number, because it is equal to n+sod(n) for n = 7528699 and 7528708.

It is not an unprimeable number, because it can be changed into a prime (7528747) 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 15 ways as a sum of consecutive naturals, for example, 8357 + ... + 9213.

It is an arithmetic number, because the mean of its divisors is an integer number (648648).

Almost surely, 2^7528745 is an apocalyptic number.

It is an amenable number.

7528745 is a deficient number, since it is larger than the sum of its proper divisors (2849623).

7528745 is a wasteful number, since it uses less digits than its factorization.

7528745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120.

The product of its digits is 78400, while the sum is 38.

The square root of 7528745 is about 2743.8558635613. The cubic root of 7528745 is about 195.9931363000.

The spelling of 7528745 in words is "seven million, five hundred twenty-eight thousand, seven hundred forty-five".