8673717420 has 36 divisors (see below), whose sum is σ = 26310276720. Its totient is φ = 2312991264.

The previous prime is 8673717419. The next prime is 8673717421. The reversal of 8673717420 is 247173768.

8673717420 is digitally balanced in base 2, 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 (8673717419) and next prime (8673717421).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8673717420² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (8673717421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24093480 + ... + 24093839.

It is an arithmetic number, because the mean of its divisors is an integer number (730841020).

Almost surely, 2^8673717420 is an apocalyptic number.

It is an amenable number.

8673717420 is an abundant number, since it is smaller than the sum of its proper divisors (17636559300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8673717420 is a wasteful number, since it uses less digits than its factorization.

8673717420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48187334 (or 48187329 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 8673717420 is about 93132.7945462821. The cubic root of 8673717420 is about 2054.6369294819.

The spelling of 8673717420 in words is "eight billion, six hundred seventy-three million, seven hundred seventeen thousand, four hundred twenty".