1705042 has 4 divisors (see below), whose sum is σ = 2557566. Its totient is φ = 852520.

The previous prime is 1705021. The next prime is 1705051. The reversal of 1705042 is 2405071.

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

It can be written as a sum of positive squares in only one way, i.e., 1590121 + 114921 = 1261^2 + 339^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426259 + ... + 426262.

2^1705042 is an apocalyptic number.

1705042 is a deficient number, since it is larger than the sum of its proper divisors (852524).

1705042 is an equidigital number, since it uses as much as digits as its factorization.

1705042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852523.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 1705042 is about 1305.7725682522. The cubic root of 1705042 is about 119.4661937600.

The spelling of 1705042 in words is "one million, seven hundred five thousand, forty-two".