68514729 has 8 divisors (see below), whose sum is σ = 91756320. Its totient is φ = 45474816.

The previous prime is 68514707. The next prime is 68514737. The reversal of 68514729 is 92741586.

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

It is not a de Polignac number, because 68514729 - 2²¹ = 66417577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68514749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49624 + ... + 50985.

It is an arithmetic number, because the mean of its divisors is an integer number (11469540).

Almost surely, 2^68514729 is an apocalyptic number.

It is an amenable number.

68514729 is a deficient number, since it is larger than the sum of its proper divisors (23241591).

68514729 is a wasteful number, since it uses less digits than its factorization.

68514729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100839.

The product of its digits is 120960, while the sum is 42.

The square root of 68514729 is about 8277.3624422276. The cubic root of 68514729 is about 409.1927981139.

The spelling of 68514729 in words is "sixty-eight million, five hundred fourteen thousand, seven hundred twenty-nine".