8732421652 has 24 divisors (see below), whose sum is σ = 16235964360. Its totient is φ = 4101713280.

The previous prime is 8732421647. The next prime is 8732421653. The reversal of 8732421652 is 2561242378.

It can be written as a sum of positive squares in 4 ways, for example, as 3310161156 + 5422260496 = 57534^2 + 73636^2 .

8732421652 is a modest number, since divided by 421652 gives 8732 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8732421653) 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, 1012999 + ... + 1021582.

It is an arithmetic number, because the mean of its divisors is an integer number (676498515).

Almost surely, 2^8732421652 is an apocalyptic number.

It is an amenable number.

8732421652 is a deficient number, since it is larger than the sum of its proper divisors (7503542708).

8732421652 is a wasteful number, since it uses less digits than its factorization.

8732421652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034651 (or 2034649 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 8732421652 is about 93447.4272090998. The cubic root of 8732421652 is about 2059.2618126743.

The spelling of 8732421652 in words is "eight billion, seven hundred thirty-two million, four hundred twenty-one thousand, six hundred fifty-two".