2001734 has 8 divisors (see below), whose sum is σ = 3431568. Its totient is φ = 857880.

The previous prime is 2001731. The next prime is 2001751. The reversal of 2001734 is 4371002.

It is a happy number.

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

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001731) 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 3 ways as a sum of consecutive naturals, for example, 71477 + ... + 71504.

It is an arithmetic number, because the mean of its divisors is an integer number (428946).

2^2001734 is an apocalyptic number.

2001734 is a deficient number, since it is larger than the sum of its proper divisors (1429834).

2001734 is a wasteful number, since it uses less digits than its factorization.

2001734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142990.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2001734 is about 1414.8264911289. The cubic root of 2001734 is about 126.0285061899.

Adding to 2001734 its reverse (4371002), we get a palindrome (6372736).

The spelling of 2001734 in words is "two million, one thousand, seven hundred thirty-four".