68834513 has 8 divisors (see below), whose sum is σ = 79509600. Its totient is φ = 58895680.

The previous prime is 68834509. The next prime is 68834537. The reversal of 68834513 is 31543886.

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

It is a cyclic number.

It is not a de Polignac number, because 68834513 - 2² = 68834509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68834503) 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 7 ways as a sum of consecutive naturals, for example, 183863 + ... + 184236.

It is an arithmetic number, because the mean of its divisors is an integer number (9938700).

Almost surely, 2^68834513 is an apocalyptic number.

It is an amenable number.

68834513 is a deficient number, since it is larger than the sum of its proper divisors (10675087).

68834513 is a wasteful number, since it uses less digits than its factorization.

68834513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368127.

The product of its digits is 69120, while the sum is 38.

The square root of 68834513 is about 8296.6567363005. The cubic root of 68834513 is about 409.8284291058.

The spelling of 68834513 in words is "sixty-eight million, eight hundred thirty-four thousand, five hundred thirteen".