67780067673 has 8 divisors (see below), whose sum is σ = 90447323328. Its totient is φ = 45149761904.

The previous prime is 67780067671. The next prime is 67780067683. The reversal of 67780067673 is 37676008776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67780067673 - 2¹ = 67780067671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67780067671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9233190 + ... + 9240527.

It is an arithmetic number, because the mean of its divisors is an integer number (11305915416).

Almost surely, 2^67780067673 is an apocalyptic number.

It is an amenable number.

67780067673 is a deficient number, since it is larger than the sum of its proper divisors (22667255655).

67780067673 is a wasteful number, since it uses less digits than its factorization.

67780067673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474943.

The product of its (nonzero) digits is 12446784, while the sum is 57.

The spelling of 67780067673 in words is "sixty-seven billion, seven hundred eighty million, sixty-seven thousand, six hundred seventy-three".