67734150069427 has 4 divisors (see below), whose sum is σ = 67951944764496. Its totient is φ = 67516355374360.

The previous prime is 67734150069401. The next prime is 67734150069449. The reversal of 67734150069427 is 72496005143776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67734150069427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67734150069457) 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, 108897347068 + ... + 108897347689.

It is an arithmetic number, because the mean of its divisors is an integer number (16987986191124).

Almost surely, 2^{67734150069427} is an apocalyptic number.

67734150069427 is a deficient number, since it is larger than the sum of its proper divisors (217794695069).

67734150069427 is a wasteful number, since it uses less digits than its factorization.

67734150069427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217794695068.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 67734150069427 in words is "sixty-seven trillion, seven hundred thirty-four billion, one hundred fifty million, sixty-nine thousand, four hundred twenty-seven".