72766207318 has 16 divisors (see below), whose sum is σ = 124832956320. Its totient is φ = 31162795776.

The previous prime is 72766207307. The next prime is 72766207373. The reversal of 72766207318 is 81370266727.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1873563 + ... + 1912006.

It is an arithmetic number, because the mean of its divisors is an integer number (7802059770).

Almost surely, 2^72766207318 is an apocalyptic number.

72766207318 is a deficient number, since it is larger than the sum of its proper divisors (52066749002).

72766207318 is a wasteful number, since it uses less digits than its factorization.

72766207318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786951.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 72766207318 in words is "seventy-two billion, seven hundred sixty-six million, two hundred seven thousand, three hundred eighteen".