2075728618 has 8 divisors (see below), whose sum is σ = 3164635620. Its totient is φ = 1020850080.

The previous prime is 2075728609. The next prime is 2075728639. The reversal of 2075728618 is 8168275702.

It can be written as a sum of positive squares in 2 ways, for example, as 2075440249 + 288369 = 45557^2 + 537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8506963 + ... + 8507206.

Almost surely, 2^2075728618 is an apocalyptic number.

2075728618 is a deficient number, since it is larger than the sum of its proper divisors (1088907002).

2075728618 is a wasteful number, since it uses less digits than its factorization.

2075728618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17014232.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 2075728618 is about 45560.1648153296. The cubic root of 2075728618 is about 1275.6264752637.

The spelling of 2075728618 in words is "two billion, seventy-five million, seven hundred twenty-eight thousand, six hundred eighteen".