2070720647 has 2 divisors, whose sum is σ = 2070720648. Its totient is φ = 2070720646.

The previous prime is 2070720563. The next prime is 2070720661. The reversal of 2070720647 is 7460270702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2070720647 - 2¹⁴ = 2070704263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2070720677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035360323 + 1035360324.

It is an arithmetic number, because the mean of its divisors is an integer number (1035360324).

Almost surely, 2^2070720647 is an apocalyptic number.

2070720647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070720647 is an equidigital number, since it uses as much as digits as its factorization.

2070720647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 2070720647 is about 45505.1716511431. The cubic root of 2070720647 is about 1274.5997763690.

The spelling of 2070720647 in words is "two billion, seventy million, seven hundred twenty thousand, six hundred forty-seven".