2731872064 has 56 divisors (see below), whose sum is σ = 5495242248. Its totient is φ = 1347379200.

The previous prime is 2731872047. The next prime is 2731872083. The reversal of 2731872064 is 4602781372.

It can be written as a sum of positive squares in 4 ways, for example, as 556582464 + 2175289600 = 23592^2 + 46640^2 .

It is a congruent number.

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, 1515964 + ... + 1517764.

Almost surely, 2^2731872064 is an apocalyptic number.

It is an amenable number.

2731872064 is an abundant number, since it is smaller than the sum of its proper divisors (2763370184).

2731872064 is a wasteful number, since it uses less digits than its factorization.

2731872064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 2731872064 is about 52267.3135334121. The cubic root of 2731872064 is about 1397.9343796439.

The spelling of 2731872064 in words is "two billion, seven hundred thirty-one million, eight hundred seventy-two thousand, sixty-four".