2750735221 has 8 divisors (see below), whose sum is σ = 2963905560. Its totient is φ = 2537789952.

The previous prime is 2750735189. The next prime is 2750735233. The reversal of 2750735221 is 1225370572.

It can be written as a sum of positive squares in 4 ways, for example, as 961868196 + 1788867025 = 31014^2 + 42295^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2750735221 - 2⁵ = 2750735189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750735261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30436 + ... + 80173.

It is an arithmetic number, because the mean of its divisors is an integer number (370488195).

Almost surely, 2^2750735221 is an apocalyptic number.

It is an amenable number.

2750735221 is a deficient number, since it is larger than the sum of its proper divisors (213170339).

2750735221 is a wasteful number, since it uses less digits than its factorization.

2750735221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112535.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 2750735221 is about 52447.4519972134. The cubic root of 2750735221 is about 1401.1445098485.

The spelling of 2750735221 in words is "two billion, seven hundred fifty million, seven hundred thirty-five thousand, two hundred twenty-one".