705742 has 8 divisors (see below), whose sum is σ = 1065456. Its totient is φ = 350592.

The previous prime is 705737. The next prime is 705751. The reversal of 705742 is 247507.

705742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723 + ... + 1390.

It is an arithmetic number, because the mean of its divisors is an integer number (133182).

2⁷⁰⁵⁷⁴² is an apocalyptic number.

705742 is a deficient number, since it is larger than the sum of its proper divisors (359714).

705742 is a wasteful number, since it uses less digits than its factorization.

705742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 705742 is about 840.0845195574. The cubic root of 705742 is about 89.0325176804.

The spelling of 705742 in words is "seven hundred five thousand, seven hundred forty-two".