1731968 has 32 divisors (see below), whose sum is σ = 3945360. Its totient is φ = 741888.

The previous prime is 1731953. The next prime is 1731971. The reversal of 1731968 is 8691371.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 1862.

2^1731968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1731968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1972680).

1731968 is an abundant number, since it is smaller than the sum of its proper divisors (2213392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1731968 is an equidigital number, since it uses as much as digits as its factorization.

1731968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 1942 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 1731968 is about 1316.0425525035. The cubic root of 1731968 is about 120.0917816351.

The spelling of 1731968 in words is "one million, seven hundred thirty-one thousand, nine hundred sixty-eight".