705632 has 12 divisors (see below), whose sum is σ = 1389276. Its totient is φ = 352800.

The previous prime is 705631. The next prime is 705643. The reversal of 705632 is 236507.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 705598 and 705607.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10994 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (115773).

2⁷⁰⁵⁶³² is an apocalyptic number.

It is an amenable number.

705632 is a deficient number, since it is larger than the sum of its proper divisors (683644).

705632 is a wasteful number, since it uses less digits than its factorization.

705632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22061 (or 22053 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 705632 is about 840.0190474031. The cubic root of 705632 is about 89.0278917757.

The spelling of 705632 in words is "seven hundred five thousand, six hundred thirty-two".