2340270721 has 2 divisors, whose sum is σ = 2340270722. Its totient is φ = 2340270720.

The previous prime is 2340270701. The next prime is 2340270727. The reversal of 2340270721 is 1270720432.

2340270721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2329413696 + 10857025 = 48264^2 + 3295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340270721 - 2¹¹ = 2340268673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2340270721.

It is not a weakly prime, because it can be changed into another prime (2340270727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170135360 + 1170135361.

It is an arithmetic number, because the mean of its divisors is an integer number (1170135361).

Almost surely, 2^2340270721 is an apocalyptic number.

It is an amenable number.

2340270721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340270721 is an equidigital number, since it uses as much as digits as its factorization.

2340270721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2340270721 is about 48376.3446428107. The cubic root of 2340270721 is about 1327.6655907343.

The spelling of 2340270721 in words is "two billion, three hundred forty million, two hundred seventy thousand, seven hundred twenty-one".