8449834672 has 30 divisors (see below), whose sum is σ = 16916736084. Its totient is φ = 4088622240.

The previous prime is 8449834667. The next prime is 8449834697. The reversal of 8449834672 is 2764389448.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259398 + ... + 290149.

Almost surely, 2^8449834672 is an apocalyptic number.

It is an amenable number.

8449834672 is an abundant number, since it is smaller than the sum of its proper divisors (8466901412).

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

8449834672 is a wasteful number, since it uses less digits than its factorization.

8449834672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549617 (or 549580 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 55.

The square root of 8449834672 is about 91922.9822840839. The cubic root of 8449834672 is about 2036.8047724119.

The spelling of 8449834672 in words is "eight billion, four hundred forty-nine million, eight hundred thirty-four thousand, six hundred seventy-two".