2072871 has 20 divisors (see below), whose sum is σ = 3135352. Its totient is φ = 1364688.

The previous prime is 2072869. The next prime is 2072893. The reversal of 2072871 is 1782702.

It is not a de Polignac number, because 2072871 - 2¹ = 2072869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072801) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12636 + ... + 12798.

2^2072871 is an apocalyptic number.

2072871 is a deficient number, since it is larger than the sum of its proper divisors (1062481).

2072871 is a wasteful number, since it uses less digits than its factorization.

2072871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 2072871 is about 1439.7468527488. The cubic root of 2072871 is about 127.5040829142.

The spelling of 2072871 in words is "two million, seventy-two thousand, eight hundred seventy-one".