68737272607 has 4 divisors (see below), whose sum is σ = 68738213376. Its totient is φ = 68736331840.

The previous prime is 68737272581. The next prime is 68737272623. The reversal of 68737272607 is 70627273786.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68737272607 - 2⁷ = 68737272479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68737272007) 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, 350623 + ... + 510304.

It is an arithmetic number, because the mean of its divisors is an integer number (17184553344).

Almost surely, 2^68737272607 is an apocalyptic number.

68737272607 is a deficient number, since it is larger than the sum of its proper divisors (940769).

68737272607 is an equidigital number, since it uses as much as digits as its factorization.

68737272607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940768.

The product of its (nonzero) digits is 8297856, while the sum is 55.

The spelling of 68737272607 in words is "sixty-eight billion, seven hundred thirty-seven million, two hundred seventy-two thousand, six hundred seven".