68291693 has 8 divisors (see below), whose sum is σ = 69629280. Its totient is φ = 66963600.

The previous prime is 68291689. The next prime is 68291701. The reversal of 68291693 is 39619286.

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 68291693 - 2² = 68291689 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 (68291633) 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, 13118 + ... + 17568.

It is an arithmetic number, because the mean of its divisors is an integer number (8703660).

Almost surely, 2^68291693 is an apocalyptic number.

It is an amenable number.

68291693 is a deficient number, since it is larger than the sum of its proper divisors (1337587).

68291693 is a wasteful number, since it uses less digits than its factorization.

68291693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747.

The product of its digits is 139968, while the sum is 44.

The square root of 68291693 is about 8263.8788108249. The cubic root of 68291693 is about 408.7483003293.

The spelling of 68291693 in words is "sixty-eight million, two hundred ninety-one thousand, six hundred ninety-three".