705747 has 12 divisors (see below), whose sum is σ = 1094856. Its totient is φ = 403200.

The previous prime is 705737. The next prime is 705751. The reversal of 705747 is 747507.

It is a happy number.

705747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 705747 - 2⁸ = 705491 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (705737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2254 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (91238).

2⁷⁰⁵⁷⁴⁷ is an apocalyptic number.

705747 is a deficient number, since it is larger than the sum of its proper divisors (389109).

705747 is a wasteful number, since it uses less digits than its factorization.

705747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818 (or 4811 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 705747 is about 840.0874954432. The cubic root of 705747 is about 89.0327279374.

The spelling of 705747 in words is "seven hundred five thousand, seven hundred forty-seven".