8685074736 has 120 divisors (see below), whose sum is σ = 26204426976. Its totient is φ = 2669414400.

The previous prime is 8685074729. The next prime is 8685074737. The reversal of 8685074736 is 6374705868.

8685074736 is a `hidden beast` number, since 8 + 68 + 507 + 4 + 73 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (8685074737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2246341 + ... + 2250203.

Almost surely, 2^8685074736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8685074736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13102213488).

8685074736 is an abundant number, since it is smaller than the sum of its proper divisors (17519352240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8685074736 is a wasteful number, since it uses less digits than its factorization.

8685074736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 8685074736 is about 93193.7483740192. The cubic root of 8685074736 is about 2055.5333149712.

The spelling of 8685074736 in words is "eight billion, six hundred eighty-five million, seventy-four thousand, seven hundred thirty-six".