68783617 has 8 divisors (see below), whose sum is σ = 80438336. Its totient is φ = 57586032.

The previous prime is 68783599. The next prime is 68783633. The reversal of 68783617 is 71638786.

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

It is not a de Polignac number, because 68783617 - 2¹⁵ = 68750849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68783647) 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, 113958 + ... + 114559.

It is an arithmetic number, because the mean of its divisors is an integer number (10054792).

Almost surely, 2^68783617 is an apocalyptic number.

It is an amenable number.

68783617 is a deficient number, since it is larger than the sum of its proper divisors (11654719).

68783617 is a wasteful number, since it uses less digits than its factorization.

68783617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228567.

The product of its digits is 338688, while the sum is 46.

The square root of 68783617 is about 8293.5889095132. The cubic root of 68783617 is about 409.7273956278.

The spelling of 68783617 in words is "sixty-eight million, seven hundred eighty-three thousand, six hundred seventeen".