2072643 has 8 divisors (see below), whose sum is σ = 2827968. Its totient is φ = 1349544.

The previous prime is 2072617. The next prime is 2072647. The reversal of 2072643 is 3462702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2072643 - 2⁶ = 2072579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2072647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7905 + ... + 8162.

It is an arithmetic number, because the mean of its divisors is an integer number (353496).

2^2072643 is an apocalyptic number.

2072643 is a deficient number, since it is larger than the sum of its proper divisors (755325).

2072643 is a wasteful number, since it uses less digits than its factorization.

2072643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16113.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2072643 is about 1439.6676699850. The cubic root of 2072643 is about 127.4994079173.

It can be divided in two parts, 207 and 2643, that added together give a triangular number (2850 = T₇₅).

The spelling of 2072643 in words is "two million, seventy-two thousand, six hundred forty-three".