7528665 has 8 divisors (see below), whose sum is σ = 12045888. Its totient is φ = 4015280.

The previous prime is 7528663. The next prime is 7528667. The reversal of 7528665 is 5668257.

It is a happy number.

7528665 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7528663) and next prime (7528667).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7528665 - 2¹ = 7528663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7528663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250941 + ... + 250970.

It is an arithmetic number, because the mean of its divisors is an integer number (1505736).

Almost surely, 2^7528665 is an apocalyptic number.

It is an amenable number.

7528665 is a deficient number, since it is larger than the sum of its proper divisors (4517223).

7528665 is a wasteful number, since it uses less digits than its factorization.

7528665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501919.

The product of its digits is 100800, while the sum is 39.

The square root of 7528665 is about 2743.8412854974. The cubic root of 7528665 is about 195.9924420937.

The spelling of 7528665 in words is "seven million, five hundred twenty-eight thousand, six hundred sixty-five".