7506537 has 16 divisors (see below), whose sum is σ = 10707840. Its totient is φ = 4660992.

The previous prime is 7506509. The next prime is 7506547. The reversal of 7506537 is 7356057.

It is a happy number.

It is not a de Polignac number, because 7506537 - 2⁸ = 7506281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7506498 and 7506507.

It is not an unprimeable number, because it can be changed into a prime (7506547) 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, 4539 + ... + 5967.

It is an arithmetic number, because the mean of its divisors is an integer number (669240).

Almost surely, 2^7506537 is an apocalyptic number.

It is an amenable number.

7506537 is a deficient number, since it is larger than the sum of its proper divisors (3201303).

7506537 is a wasteful number, since it uses less digits than its factorization.

7506537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 7506537 is about 2739.8060150310. The cubic root of 7506537 is about 195.8002355211.

The spelling of 7506537 in words is "seven million, five hundred six thousand, five hundred thirty-seven".