705575538 has 48 divisors (see below), whose sum is σ = 1561262040. Its totient is φ = 230211072.

The previous prime is 705575527. The next prime is 705575557. The reversal of 705575538 is 835575507.

705575538 is a `hidden beast` number, since 70 + 5 + 575 + 5 + 3 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 703151289 + 2424249 = 26517^2 + 1557^2 .

It is a junction number, because it is equal to n+sod(n) for n = 705575493 and 705575502.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 698778 + ... + 699786.

Almost surely, 2^705575538 is an apocalyptic number.

705575538 is an abundant number, since it is smaller than the sum of its proper divisors (855686502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705575538 is a wasteful number, since it uses less digits than its factorization.

705575538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 45.

The square root of 705575538 is about 26562.6718912085. The cubic root of 705575538 is about 890.2551715410.

The spelling of 705575538 in words is "seven hundred five million, five hundred seventy-five thousand, five hundred thirty-eight".