67340450287705 has 128 divisors (see below), whose sum is σ = 95916506628096. Its totient is φ = 44431414272000.

The previous prime is 67340450287687. The next prime is 67340450287727. The reversal of 67340450287705 is 50778205404376.

It is not a de Polignac number, because 67340450287705 - 2⁹ = 67340450287193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67340450287705.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 35423697255 + ... + 35423699155.

It is an arithmetic number, because the mean of its divisors is an integer number (749347708032).

Almost surely, 2^{67340450287705} is an apocalyptic number.

It is an amenable number.

67340450287705 is a deficient number, since it is larger than the sum of its proper divisors (28576056340391).

67340450287705 is a wasteful number, since it uses less digits than its factorization.

67340450287705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047.

The product of its (nonzero) digits is 39513600, while the sum is 58.

The spelling of 67340450287705 in words is "sixty-seven trillion, three hundred forty billion, four hundred fifty million, two hundred eighty-seven thousand, seven hundred five".