8732264721 has 4 divisors (see below), whose sum is σ = 11643019632. Its totient is φ = 5821509812.

The previous prime is 8732264711. The next prime is 8732264731. The reversal of 8732264721 is 1274622378.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (8732264711) and next prime (8732264731).

It is a cyclic number.

It is not a de Polignac number, because 8732264721 - 2⁹ = 8732264209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8732264711) 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, 1455377451 + ... + 1455377456.

It is an arithmetic number, because the mean of its divisors is an integer number (2910754908).

Almost surely, 2^8732264721 is an apocalyptic number.

It is an amenable number.

8732264721 is a deficient number, since it is larger than the sum of its proper divisors (2910754911).

8732264721 is a wasteful number, since it uses less digits than its factorization.

8732264721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910754910.

The product of its digits is 225792, while the sum is 42.

The square root of 8732264721 is about 93446.5875299896. The cubic root of 8732264721 is about 2059.2494768845.

The spelling of 8732264721 in words is "eight billion, seven hundred thirty-two million, two hundred sixty-four thousand, seven hundred twenty-one".