8735644732 has 12 divisors (see below), whose sum is σ = 15438739176. Its totient is φ = 4324576400.

The previous prime is 8735644727. The next prime is 8735644781. The reversal of 8735644732 is 2374465378.

It is a super-2 number, since 2×8735644732² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10811038 + ... + 10811845.

It is an arithmetic number, because the mean of its divisors is an integer number (1286561598).

Almost surely, 2^8735644732 is an apocalyptic number.

It is an amenable number.

8735644732 is a deficient number, since it is larger than the sum of its proper divisors (6703094444).

8735644732 is a wasteful number, since it uses less digits than its factorization.

8735644732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21622988 (or 21622986 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 49.

The square root of 8735644732 is about 93464.6710367078. The cubic root of 8735644732 is about 2059.5151348880.

The spelling of 8735644732 in words is "eight billion, seven hundred thirty-five million, six hundred forty-four thousand, seven hundred thirty-two".