68663417 has 8 divisors (see below), whose sum is σ = 69281280. Its totient is φ = 68048640.

The previous prime is 68663407. The next prime is 68663423. The reversal of 68663417 is 71436686.

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 68663417 - 2⁴ = 68663401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68663407) 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, 68792 + ... + 69782.

It is an arithmetic number, because the mean of its divisors is an integer number (8660160).

Almost surely, 2^68663417 is an apocalyptic number.

It is an amenable number.

68663417 is a deficient number, since it is larger than the sum of its proper divisors (617863).

68663417 is a wasteful number, since it uses less digits than its factorization.

68663417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543.

The product of its digits is 145152, while the sum is 41.

The square root of 68663417 is about 8286.3391796378. The cubic root of 68663417 is about 409.4885890107.

The spelling of 68663417 in words is "sixty-eight million, six hundred sixty-three thousand, four hundred seventeen".