68134680734 has 8 divisors (see below), whose sum is σ = 102218968488. Its totient is φ = 34061691240.

The previous prime is 68134680697. The next prime is 68134680763. The reversal of 68134680734 is 43708643186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68134680734² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2809472 + ... + 2833619.

It is an arithmetic number, because the mean of its divisors is an integer number (12777371061).

Almost surely, 2^68134680734 is an apocalyptic number.

68134680734 is a deficient number, since it is larger than the sum of its proper divisors (34084287754).

68134680734 is a wasteful number, since it uses less digits than its factorization.

68134680734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5649130.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 68134680734 in words is "sixty-eight billion, one hundred thirty-four million, six hundred eighty thousand, seven hundred thirty-four".