72944285866 has 16 divisors (see below), whose sum is σ = 109991865600. Its totient is φ = 36280823040.

The previous prime is 72944285819. The next prime is 72944285867. The reversal of 72944285866 is 66858244927.

It is not an unprimeable number, because it can be changed into a prime (72944285867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174535 + ... + 419941.

It is an arithmetic number, because the mean of its divisors is an integer number (6874491600).

Almost surely, 2^72944285866 is an apocalyptic number.

72944285866 is a deficient number, since it is larger than the sum of its proper divisors (37047579734).

72944285866 is a wasteful number, since it uses less digits than its factorization.

72944285866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246189.

The product of its digits is 46448640, while the sum is 61.

The spelling of 72944285866 in words is "seventy-two billion, nine hundred forty-four million, two hundred eighty-five thousand, eight hundred sixty-six".