2068739 has 4 divisors (see below), whose sum is σ = 2177640. Its totient is φ = 1959840.

The previous prime is 2068709. The next prime is 2068741. The reversal of 2068739 is 9378602.

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 2068739 - 2²⁰ = 1020163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2068699 and 2068708.

It is not an unprimeable number, because it can be changed into a prime (2068709) 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, 54422 + ... + 54459.

It is an arithmetic number, because the mean of its divisors is an integer number (544410).

2^2068739 is an apocalyptic number.

2068739 is a deficient number, since it is larger than the sum of its proper divisors (108901).

2068739 is a wasteful number, since it uses less digits than its factorization.

2068739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108900.

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

The square root of 2068739 is about 1438.3111624402. The cubic root of 2068739 is about 127.4193055972.

The spelling of 2068739 in words is "two million, sixty-eight thousand, seven hundred thirty-nine".