705722 has 8 divisors (see below), whose sum is σ = 1063476. Its totient is φ = 351232.

The previous prime is 705713. The next prime is 705737. The reversal of 705722 is 227507.

705722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 434281 + 271441 = 659^2 + 521^2 .

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

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, 173 + ... + 1200.

2⁷⁰⁵⁷²² is an apocalyptic number.

705722 is a deficient number, since it is larger than the sum of its proper divisors (357754).

705722 is a wasteful number, since it uses less digits than its factorization.

705722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 705722 is about 840.0726159089. The cubic root of 705722 is about 89.0316766426.

The spelling of 705722 in words is "seven hundred five thousand, seven hundred twenty-two".