72930308191 has 16 divisors (see below), whose sum is σ = 78686451648. Its totient is φ = 67195180800.

The previous prime is 72930308189. The next prime is 72930308219. The reversal of 72930308191 is 19180303927.

It is a cyclic number.

It is not a de Polignac number, because 72930308191 - 2¹ = 72930308189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72930303191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22853406 + ... + 22856596.

It is an arithmetic number, because the mean of its divisors is an integer number (4917903228).

Almost surely, 2^72930308191 is an apocalyptic number.

72930308191 is a deficient number, since it is larger than the sum of its proper divisors (5756143457).

72930308191 is a wasteful number, since it uses less digits than its factorization.

72930308191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 72930308191 in words is "seventy-two billion, nine hundred thirty million, three hundred eight thousand, one hundred ninety-one".