68734134682 has 4 divisors (see below), whose sum is σ = 103101202026. Its totient is φ = 34367067340.

The previous prime is 68734134661. The next prime is 68734134731. The reversal of 68734134682 is 28643143786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28643143786 = 2 ⋅14321571893.

It can be written as a sum of positive squares in only one way, i.e., 61260705081 + 7473429601 = 247509^2 + 86449^2 .

It is a super-2 number, since 2×68734134682² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17183533669 + ... + 17183533672.

Almost surely, 2^68734134682 is an apocalyptic number.

68734134682 is a deficient number, since it is larger than the sum of its proper divisors (34367067344).

68734134682 is a wasteful number, since it uses less digits than its factorization.

68734134682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34367067343.

The product of its digits is 4644864, while the sum is 52.

The spelling of 68734134682 in words is "sixty-eight billion, seven hundred thirty-four million, one hundred thirty-four thousand, six hundred eighty-two".