72940336196 has 48 divisors (see below), whose sum is σ = 157154411904. Its totient is φ = 28845939456.

The previous prime is 72940336193. The next prime is 72940336229. The reversal of 72940336196 is 69163304927.

It is not an unprimeable number, because it can be changed into a prime (72940336193) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1119656 + ... + 1183008.

It is an arithmetic number, because the mean of its divisors is an integer number (3274050248).

Almost surely, 2^72940336196 is an apocalyptic number.

It is an amenable number.

72940336196 is an abundant number, since it is smaller than the sum of its proper divisors (84214075708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72940336196 is a wasteful number, since it uses less digits than its factorization.

72940336196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66540 (or 66538 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 72940336196 in words is "seventy-two billion, nine hundred forty million, three hundred thirty-six thousand, one hundred ninety-six".