705424144 has 10 divisors (see below), whose sum is σ = 1366759310. Its totient is φ = 352712064.

The previous prime is 705424141. The next prime is 705424157. The reversal of 705424144 is 441424507.

It can be written as a sum of positive squares in only one way, i.e., 626000400 + 79423744 = 25020^2 + 8912^2 .

It is not an unprimeable number, because it can be changed into a prime (705424141) by changing a digit.

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 as a sum of consecutive naturals, namely, 22044489 + ... + 22044520.

It is an arithmetic number, because the mean of its divisors is an integer number (136675931).

Almost surely, 2^705424144 is an apocalyptic number.

It is an amenable number.

705424144 is a deficient number, since it is larger than the sum of its proper divisors (661335166).

705424144 is a wasteful number, since it uses less digits than its factorization.

705424144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44089017 (or 44089011 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 705424144 is about 26559.8219873553. The cubic root of 705424144 is about 890.1914935339.

The spelling of 705424144 in words is "seven hundred five million, four hundred twenty-four thousand, one hundred forty-four".