705633 has 4 divisors (see below), whose sum is σ = 940848. Its totient is φ = 470420.

The previous prime is 705631. The next prime is 705643. The reversal of 705633 is 336507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 705633 - 2¹ = 705631 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (705631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117603 + ... + 117608.

It is an arithmetic number, because the mean of its divisors is an integer number (235212).

2⁷⁰⁵⁶³³ is an apocalyptic number.

It is an amenable number.

705633 is a deficient number, since it is larger than the sum of its proper divisors (235215).

705633 is a wasteful number, since it uses less digits than its factorization.

705633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235214.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 705633 is about 840.0196426275. The cubic root of 705633 is about 89.0279338315.

The spelling of 705633 in words is "seven hundred five thousand, six hundred thirty-three".