8437364736 has 144 divisors (see below), whose sum is σ = 23259436200. Its totient is φ = 2719825920.

The previous prime is 8437364731. The next prime is 8437364743. The reversal of 8437364736 is 6374637348.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8437364731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5903670 + ... + 5905098.

Almost surely, 2^8437364736 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 8437364736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11629718100).

8437364736 is an abundant number, since it is smaller than the sum of its proper divisors (14822071464).

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

8437364736 is a wasteful number, since it uses less digits than its factorization.

8437364736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1465 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 51.

The square root of 8437364736 is about 91855.1290674614. The cubic root of 8437364736 is about 2035.8023334848.

The spelling of 8437364736 in words is "eight billion, four hundred thirty-seven million, three hundred sixty-four thousand, seven hundred thirty-six".