8736545 has 8 divisors (see below), whose sum is σ = 10506024. Its totient is φ = 6974464.

The previous prime is 8736529. The next prime is 8736547. The reversal of 8736545 is 5456378.

It can be written as a sum of positive squares in 4 ways, for example, as 1682209 + 7054336 = 1297^2 + 2656^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8736545 - 2⁴ = 8736529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8736499 and 8736508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8736547) 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, 1217 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (1313253).

Almost surely, 2^8736545 is an apocalyptic number.

It is an amenable number.

8736545 is a deficient number, since it is larger than the sum of its proper divisors (1769479).

8736545 is a wasteful number, since it uses less digits than its factorization.

8736545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699.

The product of its digits is 100800, while the sum is 38.

The square root of 8736545 is about 2955.7647064677. The cubic root of 8736545 is about 205.9585881503.

The spelling of 8736545 in words is "eight million, seven hundred thirty-six thousand, five hundred forty-five".