72143722286 has 8 divisors (see below), whose sum is σ = 110049746040. Its totient is φ = 35460473608.

The previous prime is 72143722223. The next prime is 72143722297. The reversal of 72143722286 is 68222734127.

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

It is a Curzon number.

It is a congruent 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, 305693621 + ... + 305693856.

It is an arithmetic number, because the mean of its divisors is an integer number (13756218255).

Almost surely, 2^72143722286 is an apocalyptic number.

72143722286 is a deficient number, since it is larger than the sum of its proper divisors (37906023754).

72143722286 is a wasteful number, since it uses less digits than its factorization.

72143722286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611387538.

The product of its digits is 451584, while the sum is 44.

The spelling of 72143722286 in words is "seventy-two billion, one hundred forty-three million, seven hundred twenty-two thousand, two hundred eighty-six".