8673520540 has 24 divisors (see below), whose sum is σ = 18637985520. Its totient is φ = 3388723968.

The previous prime is 8673520529. The next prime is 8673520549. The reversal of 8673520540 is 450253768.

It is a super-3 number, since 3×8673520540³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8673520493 and 8673520502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8673520549) 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, 5041885 + ... + 5043604.

It is an arithmetic number, because the mean of its divisors is an integer number (776582730).

Almost surely, 2^8673520540 is an apocalyptic number.

It is an amenable number.

8673520540 is an abundant number, since it is smaller than the sum of its proper divisors (9964464980).

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

8673520540 is a wasteful number, since it uses less digits than its factorization.

8673520540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10085541 (or 10085539 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 8673520540 is about 93131.7375549281. The cubic root of 8673520540 is about 2054.6213836685.

The spelling of 8673520540 in words is "eight billion, six hundred seventy-three million, five hundred twenty thousand, five hundred forty".