705423632 has 20 divisors (see below), whose sum is σ = 1367406156. Its totient is φ = 352544640.

The previous prime is 705423617. The next prime is 705423661. The reversal of 705423632 is 236324507.

It can be written as a sum of positive squares in 2 ways, for example, as 59043856 + 646379776 = 7684^2 + 25424^2 .

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, 28838 + ... + 47354.

Almost surely, 2^705423632 is an apocalyptic number.

It is an amenable number.

705423632 is a deficient number, since it is larger than the sum of its proper divisors (661982524).

705423632 is a wasteful number, since it uses less digits than its factorization.

705423632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20906 (or 20900 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 705423632 is about 26559.8123487347. The cubic root of 705423632 is about 890.1912781656.

The spelling of 705423632 in words is "seven hundred five million, four hundred twenty-three thousand, six hundred thirty-two".