705542 has 4 divisors (see below), whose sum is σ = 1058316. Its totient is φ = 352770.

The previous prime is 705533. The next prime is 705559. The reversal of 705542 is 245507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245507 = 97 ⋅2531.

It is a congruent number.

It is an unprimeable number.

705542 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176384 + ... + 176387.

It is an arithmetic number, because the mean of its divisors is an integer number (264579).

2⁷⁰⁵⁵⁴² is an apocalyptic number.

705542 is a deficient number, since it is larger than the sum of its proper divisors (352774).

705542 is a wasteful number, since it uses less digits than its factorization.

705542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352773.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 705542 is about 839.9654754810. The cubic root of 705542 is about 89.0241065869.

The spelling of 705542 in words is "seven hundred five thousand, five hundred forty-two".