2072071 has 4 divisors (see below), whose sum is σ = 2138944. Its totient is φ = 2005200.

The previous prime is 2072053. The next prime is 2072087. The reversal of 2072071 is 1702702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1702702 = 2 ⋅851351.

It is a cyclic number.

It is not a de Polignac number, because 2072071 - 2⁵ = 2072039 is a prime.

It is a Duffinian number.

2072071 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33390 + ... + 33451.

It is an arithmetic number, because the mean of its divisors is an integer number (534736).

2^2072071 is an apocalyptic number.

2072071 is a deficient number, since it is larger than the sum of its proper divisors (66873).

2072071 is an equidigital number, since it uses as much as digits as its factorization.

2072071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66872.

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

The square root of 2072071 is about 1439.4689993188. The cubic root of 2072071 is about 127.4876779070.

Adding to 2072071 its reverse (1702702), we get a palindrome (3774773).

It can be divided in two parts, 207 and 2071, that added together give a triangular number (2278 = T₆₇).

The spelling of 2072071 in words is "two million, seventy-two thousand, seventy-one".