68834691 has 20 divisors (see below), whose sum is σ = 103594392. Its totient is φ = 45547488.

The previous prime is 68834687. The next prime is 68834707. The reversal of 68834691 is 19643886.

It is not a de Polignac number, because 68834691 - 2² = 68834687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68834611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7996 + ... + 14198.

Almost surely, 2^68834691 is an apocalyptic number.

68834691 is a deficient number, since it is larger than the sum of its proper divisors (34759701).

68834691 is a wasteful number, since it uses less digits than its factorization.

68834691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352 (or 6343 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 68834691 is about 8296.6674635061. The cubic root of 68834691 is about 409.8287823656.

The spelling of 68834691 in words is "sixty-eight million, eight hundred thirty-four thousand, six hundred ninety-one".