67726276733 has 2 divisors, whose sum is σ = 67726276734. Its totient is φ = 67726276732.

The previous prime is 67726276729. The next prime is 67726276741. The reversal of 67726276733 is 33767262776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34170631609 + 33555645124 = 184853^2 + 183182^2 .

It is a cyclic number.

It is not a de Polignac number, because 67726276733 - 2² = 67726276729 is a prime.

It is a super-2 number, since 2×67726276733² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67726276433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33863138366 + 33863138367.

It is an arithmetic number, because the mean of its divisors is an integer number (33863138367).

Almost surely, 2^67726276733 is an apocalyptic number.

It is an amenable number.

67726276733 is a deficient number, since it is larger than the sum of its proper divisors (1).

67726276733 is an equidigital number, since it uses as much as digits as its factorization.

67726276733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18670176, while the sum is 56.

The spelling of 67726276733 in words is "sixty-seven billion, seven hundred twenty-six million, two hundred seventy-six thousand, seven hundred thirty-three".