72043308346 has 8 divisors (see below), whose sum is σ = 108198213984. Its totient is φ = 35977237020.

The previous prime is 72043308289. The next prime is 72043308401. The reversal of 72043308346 is 64380334027.

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

It is a junction number, because it is equal to n+sod(n) for n = 72043308299 and 72043308308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22206550 + ... + 22209793.

It is an arithmetic number, because the mean of its divisors is an integer number (13524776748).

Almost surely, 2^72043308346 is an apocalyptic number.

72043308346 is a deficient number, since it is larger than the sum of its proper divisors (36154905638).

72043308346 is a wasteful number, since it uses less digits than its factorization.

72043308346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44417156.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 72043308346 in words is "seventy-two billion, forty-three million, three hundred eight thousand, three hundred forty-six".