705565047 has 16 divisors (see below), whose sum is σ = 1031443200. Its totient is φ = 425462400.

The previous prime is 705565013. The next prime is 705565051. The reversal of 705565047 is 740565507.

It is not a de Polignac number, because 705565047 - 2⁷ = 705564919 is a prime.

It is a super-2 number, since 2×705565047² = 995644071096224418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 705564996 and 705565014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705565067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47154 + ... + 60287.

It is an arithmetic number, because the mean of its divisors is an integer number (64465200).

Almost surely, 2^705565047 is an apocalyptic number.

705565047 is a deficient number, since it is larger than the sum of its proper divisors (325878153).

705565047 is a wasteful number, since it uses less digits than its factorization.

705565047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107654.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 705565047 is about 26562.4744141053. The cubic root of 705565047 is about 890.2507592030.

The spelling of 705565047 in words is "seven hundred five million, five hundred sixty-five thousand, forty-seven".