3127772672 has 40 divisors (see below), whose sum is σ = 6284149872. Its totient is φ = 1555200000.

The previous prime is 3127772639. The next prime is 3127772677. The reversal of 3127772672 is 2762777213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3127772677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75797 + ... + 109547.

Almost surely, 2^3127772672 is an apocalyptic number.

3127772672 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 3127772672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3142074936).

3127772672 is an abundant number, since it is smaller than the sum of its proper divisors (3156377200).

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

3127772672 is an equidigital number, since it uses as much as digits as its factorization.

3127772672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33950 (or 33934 counting only the distinct ones).

The product of its digits is 345744, while the sum is 44.

The square root of 3127772672 is about 55926.4934713415. The cubic root of 3127772672 is about 1462.4411328681.

The spelling of 3127772672 in words is "three billion, one hundred twenty-seven million, seven hundred seventy-two thousand, six hundred seventy-two".