67706756056 has 8 divisors (see below), whose sum is σ = 126950167620. Its totient is φ = 33853378024.

The previous prime is 67706756041. The next prime is 67706756071. The reversal of 67706756056 is 65065760776.

It is an interprime number because it is at equal distance from previous prime (67706756041) and next prime (67706756071).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 67706755988 and 67706756006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4231672246 + ... + 4231672261.

Almost surely, 2^67706756056 is an apocalyptic number.

It is an amenable number.

67706756056 is a deficient number, since it is larger than the sum of its proper divisors (59243411564).

67706756056 is a wasteful number, since it uses less digits than its factorization.

67706756056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463344513 (or 8463344509 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 55.

The spelling of 67706756056 in words is "sixty-seven billion, seven hundred six million, seven hundred fifty-six thousand, fifty-six".