72786180316 has 6 divisors (see below), whose sum is σ = 127375815560. Its totient is φ = 36393090156.

The previous prime is 72786180293. The next prime is 72786180317. The reversal of 72786180316 is 61308168727.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72786180316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72786180317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9098272536 + ... + 9098272543.

Almost surely, 2^72786180316 is an apocalyptic number.

It is an amenable number.

72786180316 is a deficient number, since it is larger than the sum of its proper divisors (54589635244).

72786180316 is a wasteful number, since it uses less digits than its factorization.

72786180316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18196545083 (or 18196545081 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 72786180316 in words is "seventy-two billion, seven hundred eighty-six million, one hundred eighty thousand, three hundred sixteen".