2700046721 has 4 divisors (see below), whose sum is σ = 2744309844. Its totient is φ = 2655783600.

The previous prime is 2700046691. The next prime is 2700046729. The reversal of 2700046721 is 1276400072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62094400 + 2637952321 = 7880^2 + 51361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2700046721 - 2¹⁰ = 2700045697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2700046729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22131470 + ... + 22131591.

It is an arithmetic number, because the mean of its divisors is an integer number (686077461).

Almost surely, 2^2700046721 is an apocalyptic number.

It is an amenable number.

2700046721 is a deficient number, since it is larger than the sum of its proper divisors (44263123).

2700046721 is an equidigital number, since it uses as much as digits as its factorization.

2700046721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44263122.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2700046721 is about 51961.9737981536. The cubic root of 2700046721 is about 1392.4846818772.

Adding to 2700046721 its reverse (1276400072), we get a palindrome (3976446793).

The spelling of 2700046721 in words is "two billion, seven hundred million, forty-six thousand, seven hundred twenty-one".