705120580 has 12 divisors (see below), whose sum is σ = 1480753260. Its totient is φ = 282048224.

The previous prime is 705120569. The next prime is 705120601. The reversal of 705120580 is 85021507.

It can be written as a sum of positive squares in 2 ways, for example, as 148254976 + 556865604 = 12176^2 + 23598^2 .

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 3 ways as a sum of consecutive naturals, for example, 17627995 + ... + 17628034.

It is an arithmetic number, because the mean of its divisors is an integer number (123396105).

Almost surely, 2^705120580 is an apocalyptic number.

It is an amenable number.

705120580 is an abundant number, since it is smaller than the sum of its proper divisors (775632680).

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

705120580 is a wasteful number, since it uses less digits than its factorization.

705120580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35256038 (or 35256036 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 705120580 is about 26554.1066503846. The cubic root of 705120580 is about 890.0637836709.

The spelling of 705120580 in words is "seven hundred five million, one hundred twenty thousand, five hundred eighty".