67706213834 has 24 divisors (see below), whose sum is σ = 121951421568. Its totient is φ = 28080916920.

The previous prime is 67706213833. The next prime is 67706213851. The reversal of 67706213834 is 43831260776.

It is not an unprimeable number, because it can be changed into a prime (67706213833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11140184 + ... + 11146259.

It is an arithmetic number, because the mean of its divisors is an integer number (5081309232).

Almost surely, 2^67706213834 is an apocalyptic number.

67706213834 is a deficient number, since it is larger than the sum of its proper divisors (54245207734).

67706213834 is a wasteful number, since it uses less digits than its factorization.

67706213834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22286490 (or 22286483 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 67706213834 in words is "sixty-seven billion, seven hundred six million, two hundred thirteen thousand, eight hundred thirty-four".