706542 has 8 divisors (see below), whose sum is σ = 1413096. Its totient is φ = 235512.

The previous prime is 706523. The next prime is 706547. The reversal of 706542 is 245607.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

706542 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 706542.

It is not an unprimeable number, because it can be changed into a prime (706547) by changing a digit.

706542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58873 + ... + 58884.

It is an arithmetic number, because the mean of its divisors is an integer number (176637).

2⁷⁰⁶⁵⁴² is an apocalyptic number.

706542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

706542 is a wasteful number, since it uses less digits than its factorization.

706542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117762.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 706542 is about 840.5605272674. The cubic root of 706542 is about 89.0661461727.

The spelling of 706542 in words is "seven hundred six thousand, five hundred forty-two".