705210042 has 16 divisors (see below), whose sum is σ = 1484652960. Its totient is φ = 222697872.

The previous prime is 705210029. The next prime is 705210083. The reversal of 705210042 is 240012507.

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, 3092913 + ... + 3093140.

It is an arithmetic number, because the mean of its divisors is an integer number (92790810).

Almost surely, 2^705210042 is an apocalyptic number.

705210042 is an abundant number, since it is smaller than the sum of its proper divisors (779442918).

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

705210042 is a wasteful number, since it uses less digits than its factorization.

705210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186077.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 705210042 is about 26555.7911198292. The cubic root of 705210042 is about 890.1014242869.

Adding to 705210042 its reverse (240012507), we get a palindrome (945222549).

The spelling of 705210042 in words is "seven hundred five million, two hundred ten thousand, forty-two".