72442317106 has 16 divisors (see below), whose sum is σ = 109325203416. Its totient is φ = 36000953856.

The previous prime is 72442317061. The next prime is 72442317119. The reversal of 72442317106 is 60171324427.

It can be written as a sum of positive squares in 4 ways, for example, as 70243551225 + 2198765881 = 265035^2 + 46891^2 .

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, 300610 + ... + 485026.

Almost surely, 2^72442317106 is an apocalyptic number.

72442317106 is a deficient number, since it is larger than the sum of its proper divisors (36882886310).

72442317106 is a wasteful number, since it uses less digits than its factorization.

72442317106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185613.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 72442317106 in words is "seventy-two billion, four hundred forty-two million, three hundred seventeen thousand, one hundred six".