72684226776812 has 24 divisors (see below), whose sum is σ = 146414269774080. Its totient is φ = 30926279428560.

The previous prime is 72684226776803. The next prime is 72684226776817. The reversal of 72684226776812 is 21867762248627.

It is not an unprimeable number, because it can be changed into a prime (72684226776817) 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, 9337640864 + ... + 9337648647.

It is an arithmetic number, because the mean of its divisors is an integer number (6100594573920).

Almost surely, 2^{72684226776812} is an apocalyptic number.

It is an amenable number.

72684226776812 is an abundant number, since it is smaller than the sum of its proper divisors (73730042997268).

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

72684226776812 is a wasteful number, since it uses less digits than its factorization.

72684226776812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18675289661 (or 18675289659 counting only the distinct ones).

The product of its digits is 303464448, while the sum is 68.

The spelling of 72684226776812 in words is "seventy-two trillion, six hundred eighty-four billion, two hundred twenty-six million, seven hundred seventy-six thousand, eight hundred twelve".