705742432 has 24 divisors (see below), whose sum is σ = 1392130152. Its totient is φ = 352185600.

The previous prime is 705742397. The next prime is 705742439. The reversal of 705742432 is 234247507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705742439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4494 + ... + 37837.

It is an arithmetic number, because the mean of its divisors is an integer number (58005423).

Almost surely, 2^705742432 is an apocalyptic number.

It is an amenable number.

705742432 is a deficient number, since it is larger than the sum of its proper divisors (686387720).

705742432 is a wasteful number, since it uses less digits than its factorization.

705742432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42862 (or 42854 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 705742432 is about 26565.8132192485. The cubic root of 705742432 is about 890.3253584667.

Adding to 705742432 its reverse (234247507), we get a palindrome (939989939).

The spelling of 705742432 in words is "seven hundred five million, seven hundred forty-two thousand, four hundred thirty-two".