72238372786 has 8 divisors (see below), whose sum is σ = 108705976704. Its totient is φ = 36003047220.

The previous prime is 72238372783. The next prime is 72238372831. The reversal of 72238372786 is 68727383227.

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

It is not an unprimeable number, because it can be changed into a prime (72238372783) 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 in 3 ways as a sum of consecutive naturals, for example, 58068810 + ... + 58070053.

It is an arithmetic number, because the mean of its divisors is an integer number (13588247088).

Almost surely, 2^72238372786 is an apocalyptic number.

72238372786 is a deficient number, since it is larger than the sum of its proper divisors (36467603918).

72238372786 is a wasteful number, since it uses less digits than its factorization.

72238372786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116139176.

The product of its digits is 9483264, while the sum is 55.

The spelling of 72238372786 in words is "seventy-two billion, two hundred thirty-eight million, three hundred seventy-two thousand, seven hundred eighty-six".