67670703717707 has 4 divisors (see below), whose sum is σ = 67670854722840. Its totient is φ = 67670552712576.

The previous prime is 67670703717619. The next prime is 67670703717731. The reversal of 67670703717707 is 70771730707676.

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-67670703717707 is a prime.

It is a super-2 number, since 2×67670703717707² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67670703717007) 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, 74828357 + ... + 75727302.

It is an arithmetic number, because the mean of its divisors is an integer number (16917713680710).

Almost surely, 2^{67670703717707} is an apocalyptic number.

67670703717707 is a deficient number, since it is larger than the sum of its proper divisors (151005133).

67670703717707 is a wasteful number, since it uses less digits than its factorization.

67670703717707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151005132.

The product of its (nonzero) digits is 88942644, while the sum is 65.

The spelling of 67670703717707 in words is "sixty-seven trillion, six hundred seventy billion, seven hundred three million, seven hundred seventeen thousand, seven hundred seven".