2067729 has 8 divisors (see below), whose sum is σ = 2852160. Its totient is φ = 1330896.

The previous prime is 2067721. The next prime is 2067739. The reversal of 2067729 is 9277602.

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

It is not a de Polignac number, because 2067729 - 2³ = 2067721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2067729.

It is not an unprimeable number, because it can be changed into a prime (2067721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11797 + ... + 11970.

It is an arithmetic number, because the mean of its divisors is an integer number (356520).

2^2067729 is an apocalyptic number.

2067729 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2067729 is a deficient number, since it is larger than the sum of its proper divisors (784431).

2067729 is a wasteful number, since it uses less digits than its factorization.

2067729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23799.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 2067729 is about 1437.9600133522. The cubic root of 2067729 is about 127.3985659988.

It can be divided in two parts, 20677 and 29, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 2067729 in words is "two million, sixty-seven thousand, seven hundred twenty-nine".