705522100072 has 32 divisors (see below), whose sum is σ = 1324207422720. Its totient is φ = 352400273280.

The previous prime is 705522100069. The next prime is 705522100097. The reversal of 705522100072 is 270001225507.

It is a super-2 number, since 2×705522100072² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57135003 + ... + 57147349.

It is an arithmetic number, because the mean of its divisors is an integer number (41381481960).

Almost surely, 2^705522100072 is an apocalyptic number.

It is an amenable number.

705522100072 is a deficient number, since it is larger than the sum of its proper divisors (618685322648).

705522100072 is a wasteful number, since it uses less digits than its factorization.

705522100072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19081 (or 19077 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

Adding to 705522100072 its reverse (270001225507), we get a palindrome (975523325579).

The spelling of 705522100072 in words is "seven hundred five billion, five hundred twenty-two million, one hundred thousand, seventy-two".