8658732073 has 4 divisors (see below), whose sum is σ = 8686936720. Its totient is φ = 8630527428.

The previous prime is 8658732031. The next prime is 8658732091. The reversal of 8658732073 is 3702378568.

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 a cyclic number.

It is not a de Polignac number, because 8658732073 - 2¹³ = 8658723881 is a prime.

It is a super-2 number, since 2×8658732073² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8658732013) 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 3 ways as a sum of consecutive naturals, for example, 14101863 + ... + 14102476.

It is an arithmetic number, because the mean of its divisors is an integer number (2171734180).

Almost surely, 2^8658732073 is an apocalyptic number.

It is an amenable number.

8658732073 is a deficient number, since it is larger than the sum of its proper divisors (28204647).

8658732073 is a wasteful number, since it uses less digits than its factorization.

8658732073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28204646.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 8658732073 is about 93052.3082626111. The cubic root of 8658732073 is about 2053.4530005212.

The spelling of 8658732073 in words is "eight billion, six hundred fifty-eight million, seven hundred thirty-two thousand, seventy-three".