72868159675 has 6 divisors (see below), whose sum is σ = 90356518028. Its totient is φ = 58294527720.

The previous prime is 72868159673. The next prime is 72868159687. The reversal of 72868159675 is 57695186827.

It is not a de Polignac number, because 72868159675 - 2¹ = 72868159673 is a prime.

It is a super-2 number, since 2×72868159675² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72868159673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1457363169 + ... + 1457363218.

Almost surely, 2^72868159675 is an apocalyptic number.

72868159675 is a deficient number, since it is larger than the sum of its proper divisors (17488358353).

72868159675 is a wasteful number, since it uses less digits than its factorization.

72868159675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914726397 (or 2914726392 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 64.

The spelling of 72868159675 in words is "seventy-two billion, eight hundred sixty-eight million, one hundred fifty-nine thousand, six hundred seventy-five".