3218112672 has 48 divisors (see below), whose sum is σ = 8456172480. Its totient is φ = 1071608832.

The previous prime is 3218112659. The next prime is 3218112713. The reversal of 3218112672 is 2762118123.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80253 + ... + 113475.

It is an arithmetic number, because the mean of its divisors is an integer number (176170260).

Almost surely, 2^3218112672 is an apocalyptic number.

3218112672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3218112672 is an abundant number, since it is smaller than the sum of its proper divisors (5238059808).

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

3218112672 is a wasteful number, since it uses less digits than its factorization.

3218112672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34245 (or 34237 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 3218112672 is about 56728.4115060522. The cubic root of 3218112672 is about 1476.3876890839.

The spelling of 3218112672 in words is "three billion, two hundred eighteen million, one hundred twelve thousand, six hundred seventy-two".