72323723242 has 8 divisors (see below), whose sum is σ = 108744501600. Its totient is φ = 36075556044.

The previous prime is 72323723233. The next prime is 72323723243. The reversal of 72323723242 is 24232732327.

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

It is not an unprimeable number, because it can be changed into a prime (72323723243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43151742 + ... + 43153417.

It is an arithmetic number, because the mean of its divisors is an integer number (13593062700).

Almost surely, 2^72323723242 is an apocalyptic number.

72323723242 is a deficient number, since it is larger than the sum of its proper divisors (36420778358).

72323723242 is a wasteful number, since it uses less digits than its factorization.

72323723242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86305580.

The product of its digits is 169344, while the sum is 37.

The spelling of 72323723242 in words is "seventy-two billion, three hundred twenty-three million, seven hundred twenty-three thousand, two hundred forty-two".