72218068743 has 8 divisors (see below), whose sum is σ = 96904075888. Its totient is φ = 47838720384.

The previous prime is 72218068711. The next prime is 72218068799. The reversal of 72218068743 is 34786081227.

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

It is not a de Polignac number, because 72218068743 - 2⁵ = 72218068711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72218068692 and 72218068701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72218068343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76664146 + ... + 76665087.

It is an arithmetic number, because the mean of its divisors is an integer number (12113009486).

Almost surely, 2^72218068743 is an apocalyptic number.

72218068743 is a deficient number, since it is larger than the sum of its proper divisors (24686007145).

72218068743 is a wasteful number, since it uses less digits than its factorization.

72218068743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153329393.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 72218068743 in words is "seventy-two billion, two hundred eighteen million, sixty-eight thousand, seven hundred forty-three".