72468395857 has 16 divisors (see below), whose sum is σ = 85167274752. Its totient is φ = 60791512320.

The previous prime is 72468395851. The next prime is 72468395869. The reversal of 72468395857 is 75859386427.

It is not a de Polignac number, because 72468395857 - 2¹⁵ = 72468363089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72468395851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331993 + ... + 505129.

It is an arithmetic number, because the mean of its divisors is an integer number (5322954672).

Almost surely, 2^72468395857 is an apocalyptic number.

It is an amenable number.

72468395857 is a deficient number, since it is larger than the sum of its proper divisors (12698878895).

72468395857 is a wasteful number, since it uses less digits than its factorization.

72468395857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176088.

The product of its digits is 101606400, while the sum is 64.

The spelling of 72468395857 in words is "seventy-two billion, four hundred sixty-eight million, three hundred ninety-five thousand, eight hundred fifty-seven".