2072644768 has 12 divisors (see below), whose sum is σ = 4080519450. Its totient is φ = 1036322368.

The previous prime is 2072644753. The next prime is 2072644801. The reversal of 2072644768 is 8674462702.

It can be written as a sum of positive squares in only one way, i.e., 1940578704 + 132066064 = 44052^2 + 11492^2 .

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 as a sum of consecutive naturals, namely, 32385043 + ... + 32385106.

Almost surely, 2^2072644768 is an apocalyptic number.

It is an amenable number.

2072644768 is a deficient number, since it is larger than the sum of its proper divisors (2007874682).

2072644768 is an equidigital number, since it uses as much as digits as its factorization.

2072644768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64770159 (or 64770151 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The square root of 2072644768 is about 45526.3085259501. The cubic root of 2072644768 is about 1274.9944417033.

The spelling of 2072644768 in words is "two billion, seventy-two million, six hundred forty-four thousand, seven hundred sixty-eight".