68034989 has 8 divisors (see below), whose sum is σ = 77447232. Its totient is φ = 59160640.

The previous prime is 68034929. The next prime is 68034997. The reversal of 68034989 is 98943086.

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

It is a de Polignac number, because none of the positive numbers 2^k-68034989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68034919) 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, 134204 + ... + 134709.

It is an arithmetic number, because the mean of its divisors is an integer number (9680904).

Almost surely, 2^68034989 is an apocalyptic number.

It is an amenable number.

68034989 is a deficient number, since it is larger than the sum of its proper divisors (9412243).

68034989 is a wasteful number, since it uses less digits than its factorization.

68034989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268947.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 68034989 is about 8248.3324981477. The cubic root of 68034989 is about 408.2355045755.

The spelling of 68034989 in words is "sixty-eight million, thirty-four thousand, nine hundred eighty-nine".