67722686353 has 16 divisors (see below), whose sum is σ = 78834847104. Its totient is φ = 56973980160.

The previous prime is 67722686351. The next prime is 67722686359. The reversal of 67722686353 is 35368622776.

It is a cyclic number.

It is not a de Polignac number, because 67722686353 - 2¹ = 67722686351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67722686294 and 67722686303.

It is not an unprimeable number, because it can be changed into a prime (67722686351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29601 + ... + 369217.

It is an arithmetic number, because the mean of its divisors is an integer number (4927177944).

Almost surely, 2^67722686353 is an apocalyptic number.

It is an amenable number.

67722686353 is a deficient number, since it is larger than the sum of its proper divisors (11112160751).

67722686353 is a wasteful number, since it uses less digits than its factorization.

67722686353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340152.

The product of its digits is 15240960, while the sum is 55.

The spelling of 67722686353 in words is "sixty-seven billion, seven hundred twenty-two million, six hundred eighty-six thousand, three hundred fifty-three".