8672004621 has 12 divisors (see below), whose sum is σ = 14315690272. Its totient is φ = 4955431176.

The previous prime is 8672004613. The next prime is 8672004629. The reversal of 8672004621 is 1264002768.

8672004621 is a `hidden beast` number, since 8 + 6 + 7 + 20 + 0 + 4 + 621 = 666.

It is an interprime number because it is at equal distance from previous prime (8672004613) and next prime (8672004629).

It is not a de Polignac number, because 8672004621 - 2³ = 8672004613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8672004629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68825371 + ... + 68825496.

Almost surely, 2^8672004621 is an apocalyptic number.

It is an amenable number.

8672004621 is a deficient number, since it is larger than the sum of its proper divisors (5643685651).

8672004621 is a wasteful number, since it uses less digits than its factorization.

8672004621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137650880 (or 137650877 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8672004621 is about 93123.5986256975. The cubic root of 8672004621 is about 2054.5016775257.

The spelling of 8672004621 in words is "eight billion, six hundred seventy-two million, four thousand, six hundred twenty-one".