2720071 has 2 divisors, whose sum is σ = 2720072. Its totient is φ = 2720070.

The previous prime is 2720009. The next prime is 2720089. The reversal of 2720071 is 1700272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2720071 - 2⁷ = 2719943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2720671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360035 + 1360036.

It is an arithmetic number, because the mean of its divisors is an integer number (1360036).

2^2720071 is an apocalyptic number.

2720071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720071 is an equidigital number, since it uses as much as digits as its factorization.

2720071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 2720071 is about 1649.2637751433. The cubic root of 2720071 is about 139.5918555030.

The spelling of 2720071 in words is "two million, seven hundred twenty thousand, seventy-one".