8732639481 has 8 divisors (see below), whose sum is σ = 11672849664. Its totient is φ = 5807094480.

The previous prime is 8732639479. The next prime is 8732639483. The reversal of 8732639481 is 1849362378.

8732639481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8732639479) and next prime (8732639483).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8732639481 - 2¹ = 8732639479 is a prime.

It is a super-2 number, since 2×8732639481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8732639483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3664905 + ... + 3667286.

It is an arithmetic number, because the mean of its divisors is an integer number (1459106208).

Almost surely, 2^8732639481 is an apocalyptic number.

It is an amenable number.

8732639481 is a deficient number, since it is larger than the sum of its proper divisors (2940210183).

8732639481 is a wasteful number, since it uses less digits than its factorization.

8732639481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7332591.

The product of its digits is 1741824, while the sum is 51.

The square root of 8732639481 is about 93448.5927181357. The cubic root of 8732639481 is about 2059.2789351950.

The spelling of 8732639481 in words is "eight billion, seven hundred thirty-two million, six hundred thirty-nine thousand, four hundred eighty-one".