7528042 has 8 divisors (see below), whose sum is σ = 11956356. Its totient is φ = 3542592.

The previous prime is 7528033. The next prime is 7528043. The reversal of 7528042 is 2408257.

It can be written as a sum of positive squares in 2 ways, for example, as 7502121 + 25921 = 2739^2 + 161^2 .

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

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 7528042.

It is not an unprimeable number, because it can be changed into a prime (7528043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110673 + ... + 110740.

Almost surely, 2^7528042 is an apocalyptic number.

7528042 is a deficient number, since it is larger than the sum of its proper divisors (4428314).

7528042 is a wasteful number, since it uses less digits than its factorization.

7528042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221432.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7528042 is about 2743.7277561741. The cubic root of 7528042 is about 195.9870357939.

The spelling of 7528042 in words is "seven million, five hundred twenty-eight thousand, forty-two".