72423783789 has 8 divisors (see below), whose sum is σ = 110360051520. Its totient is φ = 41385019296.

The previous prime is 72423783739. The next prime is 72423783797. The reversal of 72423783789 is 98738732427.

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

It is not a de Polignac number, because 72423783789 - 2²⁷ = 72289566061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72423783739) 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, 1724375784 + ... + 1724375825.

It is an arithmetic number, because the mean of its divisors is an integer number (13795006440).

Almost surely, 2^72423783789 is an apocalyptic number.

It is an amenable number.

72423783789 is a deficient number, since it is larger than the sum of its proper divisors (37936267731).

72423783789 is a wasteful number, since it uses less digits than its factorization.

72423783789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448751619.

The product of its digits is 28449792, while the sum is 60.

The spelling of 72423783789 in words is "seventy-two billion, four hundred twenty-three million, seven hundred eighty-three thousand, seven hundred eighty-nine".