705001730 has 32 divisors (see below), whose sum is σ = 1344987504. Its totient is φ = 265148416.

The previous prime is 705001729. The next prime is 705001741. The reversal of 705001730 is 37100507.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 170328601 + 534673129 = 13051^2 + 23123^2 .

It is a junction number, because it is equal to n+sod(n) for n = 705001696 and 705001705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293414 + ... + 295806.

Almost surely, 2^705001730 is an apocalyptic number.

705001730 is a deficient number, since it is larger than the sum of its proper divisors (639985774).

705001730 is a wasteful number, since it uses less digits than its factorization.

705001730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 705001730 is about 26551.8686724682. The cubic root of 705001730 is about 890.0137733003.

The spelling of 705001730 in words is "seven hundred five million, one thousand, seven hundred thirty".