4127731872 has 48 divisors (see below), whose sum is σ = 11820326112. Its totient is φ = 1250827520.

The previous prime is 4127731841. The next prime is 4127731921. The reversal of 4127731872 is 2781377214.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953363 + ... + 1955474.

It is an arithmetic number, because the mean of its divisors is an integer number (246256794).

Almost surely, 2^4127731872 is an apocalyptic number.

It is an amenable number.

4127731872 is an abundant number, since it is smaller than the sum of its proper divisors (7692594240).

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

4127731872 is a wasteful number, since it uses less digits than its factorization.

4127731872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908861 (or 3908853 counting only the distinct ones).

The product of its digits is 131712, while the sum is 42.

The square root of 4127731872 is about 64247.4269679339. The cubic root of 4127731872 is about 1604.1211302316.

The spelling of 4127731872 in words is "four billion, one hundred twenty-seven million, seven hundred thirty-one thousand, eight hundred seventy-two".