72735854121186 has 8 divisors (see below), whose sum is σ = 145471708242384. Its totient is φ = 24245284707060.

The previous prime is 72735854121149. The next prime is 72735854121209. The reversal of 72735854121186 is 68112145853727.

It is a sphenic number, since it is the product of 3 distinct primes.

72735854121186 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6061321176760 + ... + 6061321176771.

It is an arithmetic number, because the mean of its divisors is an integer number (18183963530298).

Almost surely, 2^{72735854121186} is an apocalyptic number.

72735854121186 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72735854121186 is a wasteful number, since it uses less digits than its factorization.

72735854121186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122642353536.

The product of its digits is 22579200, while the sum is 60.

The spelling of 72735854121186 in words is "seventy-two trillion, seven hundred thirty-five billion, eight hundred fifty-four million, one hundred twenty-one thousand, one hundred eighty-six".