72443235071 has 8 divisors (see below), whose sum is σ = 74131625040. Its totient is φ = 70755011712.

The previous prime is 72443235047. The next prime is 72443235077. The reversal of 72443235071 is 17053234427.

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

It is a cyclic number.

It is not a de Polignac number, because 72443235071 - 2¹⁰ = 72443234047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72443235077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466645 + ... + 1515233.

It is an arithmetic number, because the mean of its divisors is an integer number (9266453130).

Almost surely, 2^72443235071 is an apocalyptic number.

72443235071 is a deficient number, since it is larger than the sum of its proper divisors (1688389969).

72443235071 is a wasteful number, since it uses less digits than its factorization.

72443235071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83305.

The product of its (nonzero) digits is 141120, while the sum is 38.

Adding to 72443235071 its reverse (17053234427), we get a palindrome (89496469498).

The spelling of 72443235071 in words is "seventy-two billion, four hundred forty-three million, two hundred thirty-five thousand, seventy-one".