72345332315 has 16 divisors (see below), whose sum is σ = 87391569600. Its totient is φ = 57491690880.

The previous prime is 72345332261. The next prime is 72345332347. The reversal of 72345332315 is 51323354327.

It is not a de Polignac number, because 72345332315 - 2⁶ = 72345332251 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 3403370 + ... + 3424560.

It is an arithmetic number, because the mean of its divisors is an integer number (5461973100).

Almost surely, 2^72345332315 is an apocalyptic number.

72345332315 is a deficient number, since it is larger than the sum of its proper divisors (15046237285).

72345332315 is a wasteful number, since it uses less digits than its factorization.

72345332315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25702.

The product of its digits is 226800, while the sum is 38.

The spelling of 72345332315 in words is "seventy-two billion, three hundred forty-five million, three hundred thirty-two thousand, three hundred fifteen".