705342 has 16 divisors (see below), whose sum is σ = 1539072. Its totient is φ = 213720.

The previous prime is 705317. The next prime is 705389. The reversal of 705342 is 243507.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5278 + ... + 5409.

It is an arithmetic number, because the mean of its divisors is an integer number (96192).

2⁷⁰⁵³⁴² is an apocalyptic number.

705342 is an abundant number, since it is smaller than the sum of its proper divisors (833730).

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

705342 is a wasteful number, since it uses less digits than its factorization.

705342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10703.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 705342 is about 839.8464145307. The cubic root of 705342 is about 89.0156939037.

Adding to 705342 its reverse (243507), we get a palindrome (948849).

The spelling of 705342 in words is "seven hundred five thousand, three hundred forty-two".