705430255 has 8 divisors (see below), whose sum is σ = 860864400. Its totient is φ = 554778816.

The previous prime is 705430237. The next prime is 705430261. The reversal of 705430255 is 552034507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 705430255 - 2⁵ = 705430223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195350 + ... + 1195939.

It is an arithmetic number, because the mean of its divisors is an integer number (107608050).

Almost surely, 2^705430255 is an apocalyptic number.

705430255 is a deficient number, since it is larger than the sum of its proper divisors (155434145).

705430255 is a wasteful number, since it uses less digits than its factorization.

705430255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391353.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 705430255 is about 26559.9370292928. The cubic root of 705430255 is about 890.1940640652.

The spelling of 705430255 in words is "seven hundred five million, four hundred thirty thousand, two hundred fifty-five".