68969013 has 8 divisors (see below), whose sum is σ = 93218688. Its totient is φ = 45349344.

The previous prime is 68969009. The next prime is 68969029. The reversal of 68969013 is 31096986.

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

It is not a de Polignac number, because 68969013 - 2² = 68969009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68969003) 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, 157245 + ... + 157682.

It is an arithmetic number, because the mean of its divisors is an integer number (11652336).

Almost surely, 2^68969013 is an apocalyptic number.

It is an amenable number.

68969013 is a deficient number, since it is larger than the sum of its proper divisors (24249675).

68969013 is a wasteful number, since it uses less digits than its factorization.

68969013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315003.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 68969013 is about 8304.7584552472. The cubic root of 68969013 is about 410.0951851182.

The spelling of 68969013 in words is "sixty-eight million, nine hundred sixty-nine thousand, thirteen".