68006393 has 8 divisors (see below), whose sum is σ = 83700288. Its totient is φ = 53807184.

The previous prime is 68006387. The next prime is 68006417. The reversal of 68006393 is 39360086.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68006393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68006353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373571 + ... + 373752.

It is an arithmetic number, because the mean of its divisors is an integer number (10462536).

Almost surely, 2^68006393 is an apocalyptic number.

It is an amenable number.

68006393 is a deficient number, since it is larger than the sum of its proper divisors (15693895).

68006393 is a wasteful number, since it uses less digits than its factorization.

68006393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747343.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 68006393 is about 8246.5988746877. The cubic root of 68006393 is about 408.1783009777.

The spelling of 68006393 in words is "sixty-eight million, six thousand, three hundred ninety-three".