8732539 has 4 divisors (see below), whose sum is σ = 8755960. Its totient is φ = 8709120.

The previous prime is 8732501. The next prime is 8732551. The reversal of 8732539 is 9352378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8732539 - 2⁷ = 8732411 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 8732498 and 8732507.

It is not an unprimeable number, because it can be changed into a prime (8732599) 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, 11142 + ... + 11899.

It is an arithmetic number, because the mean of its divisors is an integer number (2188990).

Almost surely, 2^8732539 is an apocalyptic number.

8732539 is a deficient number, since it is larger than the sum of its proper divisors (23421).

8732539 is a wasteful number, since it uses less digits than its factorization.

8732539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23420.

The product of its digits is 45360, while the sum is 37.

The square root of 8732539 is about 2955.0869699554. The cubic root of 8732539 is about 205.9271036888.

The spelling of 8732539 in words is "eight million, seven hundred thirty-two thousand, five hundred thirty-nine".