705662 has 4 divisors (see below), whose sum is σ = 1058496. Its totient is φ = 352830.

The previous prime is 705643. The next prime is 705689. The reversal of 705662 is 266507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 266507 = 31 ⋅8597.

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 705662.

It is an unprimeable number.

705662 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176414 + ... + 176417.

It is an arithmetic number, because the mean of its divisors is an integer number (264624).

2⁷⁰⁵⁶⁶² is an apocalyptic number.

705662 is a deficient number, since it is larger than the sum of its proper divisors (352834).

705662 is a wasteful number, since it uses less digits than its factorization.

705662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352833.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 705662 is about 840.0369039512. The cubic root of 705662 is about 89.0291534337.

The spelling of 705662 in words is "seven hundred five thousand, six hundred sixty-two".