72446365868 has 12 divisors (see below), whose sum is σ = 126959962080. Its totient is φ = 36172090992.

The previous prime is 72446365787. The next prime is 72446365877. The reversal of 72446365868 is 86856364427.

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 3 ways as a sum of consecutive naturals, for example, 12769796 + ... + 12775467.

It is an arithmetic number, because the mean of its divisors is an integer number (10579996840).

Almost surely, 2^72446365868 is an apocalyptic number.

It is an amenable number.

72446365868 is a deficient number, since it is larger than the sum of its proper divisors (54513596212).

72446365868 is a wasteful number, since it uses less digits than its factorization.

72446365868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25545976 (or 25545974 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 59.

The spelling of 72446365868 in words is "seventy-two billion, four hundred forty-six million, three hundred sixty-five thousand, eight hundred sixty-eight".