2173743 has 32 divisors (see below), whose sum is σ = 3790080. Its totient is φ = 1213920.

The previous prime is 2173729. The next prime is 2173747. The reversal of 2173743 is 3473712.

2173743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2173743 - 2⁴ = 2173727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173747) 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 31 ways as a sum of consecutive naturals, for example, 3580 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (118440).

2^2173743 is an apocalyptic number.

2173743 is a deficient number, since it is larger than the sum of its proper divisors (1616337).

2173743 is a wasteful number, since it uses less digits than its factorization.

2173743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 590 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 2173743 is about 1474.3618958722. The cubic root of 2173743 is about 129.5396538324.

It can be divided in two parts, 2173 and 743, that added together give a square (2916 = 54²).

The spelling of 2173743 in words is "two million, one hundred seventy-three thousand, seven hundred forty-three".