72015676323 has 16 divisors (see below), whose sum is σ = 99125554176. Its totient is φ = 46458349920.

The previous prime is 72015676321. The next prime is 72015676339. The reversal of 72015676323 is 32367651027.

It is not a de Polignac number, because 72015676323 - 2¹ = 72015676321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72015676321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211840 + ... + 2244162.

It is an arithmetic number, because the mean of its divisors is an integer number (6195347136).

Almost surely, 2^72015676323 is an apocalyptic number.

72015676323 is a deficient number, since it is larger than the sum of its proper divisors (27109877853).

72015676323 is a wasteful number, since it uses less digits than its factorization.

72015676323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56314.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 72015676323 in words is "seventy-two billion, fifteen million, six hundred seventy-six thousand, three hundred twenty-three".