8505733 has 4 divisors (see below), whose sum is σ = 8552908. Its totient is φ = 8458560.

The previous prime is 8505727. The next prime is 8505767. The reversal of 8505733 is 3375058.

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

It can be written as a sum of positive squares in 2 ways, for example, as 199809 + 8305924 = 447^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 8505733 - 2⁹ = 8505221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8505695 and 8505704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8505793) 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, 23316 + ... + 23677.

It is an arithmetic number, because the mean of its divisors is an integer number (2138227).

Almost surely, 2^8505733 is an apocalyptic number.

It is an amenable number.

8505733 is a deficient number, since it is larger than the sum of its proper divisors (47175).

8505733 is a wasteful number, since it uses less digits than its factorization.

8505733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47174.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 8505733 is about 2916.4589830821. The cubic root of 8505733 is about 204.1286273895.

The spelling of 8505733 in words is "eight million, five hundred five thousand, seven hundred thirty-three".