72186673350 has 48 divisors (see below), whose sum is σ = 195297768000. Its totient is φ = 17499799200.

The previous prime is 72186673337. The next prime is 72186673409. The reversal of 72186673350 is 5337668127.

It is a self number, because there is not a number n which added to its sum of digits gives 72186673350.

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 23 ways as a sum of consecutive naturals, for example, 21873100 + ... + 21876399.

It is an arithmetic number, because the mean of its divisors is an integer number (4068703500).

Almost surely, 2^72186673350 is an apocalyptic number.

72186673350 is an abundant number, since it is smaller than the sum of its proper divisors (123111094650).

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

72186673350 is a wasteful number, since it uses less digits than its factorization.

72186673350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43749525 (or 43749520 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 72186673350 in words is "seventy-two billion, one hundred eighty-six million, six hundred seventy-three thousand, three hundred fifty".