4340076721 has 2 divisors, whose sum is σ = 4340076722. Its totient is φ = 4340076720.

The previous prime is 4340076707. The next prime is 4340076779. The reversal of 4340076721 is 1276700434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4024126096 + 315950625 = 63436^2 + 17775^2 .

It is a cyclic number.

It is not a de Polignac number, because 4340076721 - 2¹³ = 4340068529 is a prime.

It is a super-2 number, since 2×4340076721² = 37672531888332223682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4340076821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2170038360 + 2170038361.

It is an arithmetic number, because the mean of its divisors is an integer number (2170038361).

Almost surely, 2^4340076721 is an apocalyptic number.

It is an amenable number.

4340076721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4340076721 is an equidigital number, since it uses as much as digits as its factorization.

4340076721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 4340076721 is about 65879.2586555131. The cubic root of 4340076721 is about 1631.1696625565.

The spelling of 4340076721 in words is "four billion, three hundred forty million, seventy-six thousand, seven hundred twenty-one".