68733913 has 8 divisors (see below), whose sum is σ = 74036736. Its totient is φ = 63624000.

The previous prime is 68733853. The next prime is 68733943. The reversal of 68733913 is 31933786.

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 68733913 - 2¹³ = 68725721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68733943) 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, 47488 + ... + 48913.

It is an arithmetic number, because the mean of its divisors is an integer number (9254592).

Almost surely, 2^68733913 is an apocalyptic number.

It is an amenable number.

68733913 is a deficient number, since it is larger than the sum of its proper divisors (5302823).

68733913 is a wasteful number, since it uses less digits than its factorization.

68733913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96455.

The product of its digits is 81648, while the sum is 40.

The square root of 68733913 is about 8290.5918365337. The cubic root of 68733913 is about 409.6286802713.

The spelling of 68733913 in words is "sixty-eight million, seven hundred thirty-three thousand, nine hundred thirteen".