2073689 has 4 divisors (see below), whose sum is σ = 2076624. Its totient is φ = 2070756.

The previous prime is 2073667. The next prime is 2073707. The reversal of 2073689 is 9863702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2073689 - 2²⁰ = 1025113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2073619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314 + ... + 2060.

It is an arithmetic number, because the mean of its divisors is an integer number (519156).

2^2073689 is an apocalyptic number.

It is an amenable number.

2073689 is a deficient number, since it is larger than the sum of its proper divisors (2935).

2073689 is a wasteful number, since it uses less digits than its factorization.

2073689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2073689 is about 1440.0309024462. The cubic root of 2073689 is about 127.5208526703.

The spelling of 2073689 in words is "two million, seventy-three thousand, six hundred eighty-nine".