68117282 has 4 divisors (see below), whose sum is σ = 102175926. Its totient is φ = 34058640.

The previous prime is 68117279. The next prime is 68117293. The reversal of 68117282 is 28271186.

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

It can be written as a sum of positive squares in only one way, i.e., 66601921 + 1515361 = 8161^2 + 1231^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17029319 + ... + 17029322.

Almost surely, 2^68117282 is an apocalyptic number.

68117282 is a deficient number, since it is larger than the sum of its proper divisors (34058644).

68117282 is a wasteful number, since it uses less digits than its factorization.

68117282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34058643.

The product of its digits is 10752, while the sum is 35.

The square root of 68117282 is about 8253.3194534078. The cubic root of 68117282 is about 408.4000345663.

The spelling of 68117282 in words is "sixty-eight million, one hundred seventeen thousand, two hundred eighty-two".