72216595 has 16 divisors (see below), whose sum is σ = 100100448. Its totient is φ = 49431040.

The previous prime is 72216541. The next prime is 72216631. The reversal of 72216595 is 59561227.

It is not a de Polignac number, because 72216595 - 2¹¹ = 72214547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37684 + ... + 39553.

It is an arithmetic number, because the mean of its divisors is an integer number (6256278).

Almost surely, 2^72216595 is an apocalyptic number.

72216595 is a deficient number, since it is larger than the sum of its proper divisors (27883853).

72216595 is a wasteful number, since it uses less digits than its factorization.

72216595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77270.

The product of its digits is 37800, while the sum is 37.

The square root of 72216595 is about 8498.0347728166. The cubic root of 72216595 is about 416.4335097329.

The spelling of 72216595 in words is "seventy-two million, two hundred sixteen thousand, five hundred ninety-five".