3911612672 has 72 divisors (see below), whose sum is σ = 8557328640. Its totient is φ = 1769748480.

The previous prime is 3911612651. The next prime is 3911612681. The reversal of 3911612672 is 2762161193.

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, 624854 + ... + 631082.

Almost surely, 2^3911612672 is an apocalyptic number.

3911612672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3911612672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4278664320).

3911612672 is an abundant number, since it is smaller than the sum of its proper divisors (4645715968).

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

3911612672 is a wasteful number, since it uses less digits than its factorization.

3911612672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479 (or 6465 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 3911612672 is about 62542.8866618739. The cubic root of 3911612672 is about 1575.6216807738.

The spelling of 3911612672 in words is "three billion, nine hundred eleven million, six hundred twelve thousand, six hundred seventy-two".