72031316172315 has 8 divisors (see below), whose sum is σ = 115250105875728. Its totient is φ = 38416701958560.

The previous prime is 72031316172307. The next prime is 72031316172359. The reversal of 72031316172315 is 51327161313027.

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

It is not a de Polignac number, because 72031316172315 - 2³ = 72031316172307 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401043872396 + ... + 2401043872425.

It is an arithmetic number, because the mean of its divisors is an integer number (14406263234466).

Almost surely, 2^{72031316172315} is an apocalyptic number.

72031316172315 is a deficient number, since it is larger than the sum of its proper divisors (43218789703413).

72031316172315 is a wasteful number, since it uses less digits than its factorization.

72031316172315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802087744829.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 72031316172315 in words is "seventy-two trillion, thirty-one billion, three hundred sixteen million, one hundred seventy-two thousand, three hundred fifteen".