1742943 has 4 divisors (see below), whose sum is σ = 2323928. Its totient is φ = 1161960.

The previous prime is 1742941. The next prime is 1742947. The reversal of 1742943 is 3492471.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1742943 - 2¹ = 1742941 is a prime.

It is a D-number.

It is a Duffinian number.

1742943 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1742943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742941) 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, 290488 + ... + 290493.

It is an arithmetic number, because the mean of its divisors is an integer number (580982).

2^1742943 is an apocalyptic number.

1742943 is a deficient number, since it is larger than the sum of its proper divisors (580985).

1742943 is an equidigital number, since it uses as much as digits as its factorization.

1742943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580984.

The product of its digits is 6048, while the sum is 30.

The square root of 1742943 is about 1320.2056657961. The cubic root of 1742943 is about 120.3449104677.

The spelling of 1742943 in words is "one million, seven hundred forty-two thousand, nine hundred forty-three".