67340666777774 has 8 divisors (see below), whose sum is σ = 108781077102600. Its totient is φ = 31080307743576.

The previous prime is 67340666777773. The next prime is 67340666777803. The reversal of 67340666777774 is 47777766604376.

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

It is a junction number, because it is equal to n+sod(n) for n = 67340666777695 and 67340666777704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67340666777773) 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, 1295012822624 + ... + 1295012822675.

It is an arithmetic number, because the mean of its divisors is an integer number (13597634637825).

Almost surely, 2^{67340666777774} is an apocalyptic number.

67340666777774 is a deficient number, since it is larger than the sum of its proper divisors (41440410324826).

67340666777774 is a wasteful number, since it uses less digits than its factorization.

67340666777774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590025645314.

The product of its (nonzero) digits is 7318708992, while the sum is 77.

The spelling of 67340666777774 in words is "sixty-seven trillion, three hundred forty billion, six hundred sixty-six million, seven hundred seventy-seven thousand, seven hundred seventy-four".