68736567272 has 16 divisors (see below), whose sum is σ = 130157115300. Its totient is φ = 34028003200.

The previous prime is 68736567271. The next prime is 68736567283. The reversal of 68736567272 is 27276563786.

It can be written as a sum of positive squares in 2 ways, for example, as 64370793796 + 4365773476 = 253714^2 + 66074^2 .

It is not an unprimeable number, because it can be changed into a prime (68736567271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42534197 + ... + 42535812.

Almost surely, 2^68736567272 is an apocalyptic number.

It is an amenable number.

68736567272 is a deficient number, since it is larger than the sum of its proper divisors (61420548028).

68736567272 is a wasteful number, since it uses less digits than its factorization.

68736567272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85070116 (or 85070112 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 59.

The spelling of 68736567272 in words is "sixty-eight billion, seven hundred thirty-six million, five hundred sixty-seven thousand, two hundred seventy-two".