72306118389 has 8 divisors (see below), whose sum is σ = 96424726240. Its totient is φ = 48195794736.

The previous prime is 72306118387. The next prime is 72306118393. The reversal of 72306118389 is 98381160327.

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

It is not a de Polignac number, because 72306118389 - 2¹ = 72306118387 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72306118387) 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, 2050654 + ... + 2085615.

It is an arithmetic number, because the mean of its divisors is an integer number (12053090780).

Almost surely, 2^72306118389 is an apocalyptic number.

It is an amenable number.

72306118389 is a deficient number, since it is larger than the sum of its proper divisors (24118607851).

72306118389 is a wasteful number, since it uses less digits than its factorization.

72306118389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142099.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 72306118389 in words is "seventy-two billion, three hundred six million, one hundred eighteen thousand, three hundred eighty-nine".