2000071 has 4 divisors (see below), whose sum is σ = 2014600. Its totient is φ = 1985544.

The previous prime is 2000039. The next prime is 2000081. The reversal of 2000071 is 1700002.

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

It is a cyclic number.

It is not a de Polignac number, because 2000071 - 2⁵ = 2000039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000081) 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 in 3 ways as a sum of consecutive naturals, for example, 7056 + ... + 7333.

It is an arithmetic number, because the mean of its divisors is an integer number (503650).

2^2000071 is an apocalyptic number.

2000071 is a deficient number, since it is larger than the sum of its proper divisors (14529).

2000071 is a wasteful number, since it uses less digits than its factorization.

2000071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14528.

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 2000071 is about 1414.2386644410. The cubic root of 2000071 is about 125.9935958784.

Adding to 2000071 its reverse (1700002), we get a palindrome (3700073).

The spelling of 2000071 in words is "two million, seventy-one", and thus it is an aban number and an uban number.