67917792073 has 16 divisors (see below), whose sum is σ = 69261004800. Its totient is φ = 66587423760.

The previous prime is 67917792071. The next prime is 67917792077. The reversal of 67917792073 is 37029771976.

67917792073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 67917792073 - 2¹ = 67917792071 is a prime.

It is a super-2 number, since 2×67917792073² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67917791999 and 67917792017.

It is not an unprimeable number, because it can be changed into a prime (67917792071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24091458 + ... + 24094276.

It is an arithmetic number, because the mean of its divisors is an integer number (4328812800).

Almost surely, 2^67917792073 is an apocalyptic number.

It is an amenable number.

67917792073 is a deficient number, since it is larger than the sum of its proper divisors (1343212727).

67917792073 is a wasteful number, since it uses less digits than its factorization.

67917792073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932.

The product of its (nonzero) digits is 7001316, while the sum is 58.

The spelling of 67917792073 in words is "sixty-seven billion, nine hundred seventeen million, seven hundred ninety-two thousand, seventy-three".