68147683 has 4 divisors (see below), whose sum is σ = 68605200. Its totient is φ = 67690168.

The previous prime is 68147671. The next prime is 68147687. The reversal of 68147683 is 38674186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68147683 is a prime.

It is a super-3 number, since 3×68147683³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68147687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228535 + ... + 228832.

It is an arithmetic number, because the mean of its divisors is an integer number (17151300).

Almost surely, 2^68147683 is an apocalyptic number.

68147683 is a deficient number, since it is larger than the sum of its proper divisors (457517).

68147683 is a wasteful number, since it uses less digits than its factorization.

68147683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457516.

The product of its digits is 193536, while the sum is 43.

The square root of 68147683 is about 8255.1609917675. The cubic root of 68147683 is about 408.4607823554.

The spelling of 68147683 in words is "sixty-eight million, one hundred forty-seven thousand, six hundred eighty-three".