72395024065 has 16 divisors (see below), whose sum is σ = 106921882368. Its totient is φ = 45823663296.

The previous prime is 72395024063. The next prime is 72395024077. The reversal of 72395024065 is 56042059327.

It is a cyclic number.

It is not a de Polignac number, because 72395024065 - 2¹ = 72395024063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72395024063) 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, 79554517 + ... + 79555426.

It is an arithmetic number, because the mean of its divisors is an integer number (6682617648).

Almost surely, 2^72395024065 is an apocalyptic number.

It is an amenable number.

72395024065 is a deficient number, since it is larger than the sum of its proper divisors (34526858303).

72395024065 is a wasteful number, since it uses less digits than its factorization.

72395024065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159109968.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 72395024065 in words is "seventy-two billion, three hundred ninety-five million, twenty-four thousand, sixty-five".