68228782 has 4 divisors (see below), whose sum is σ = 102343176. Its totient is φ = 34114390.

The previous prime is 68228773. The next prime is 68228789. The reversal of 68228782 is 28782286.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68228789) by changing a digit.

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, 17057194 + ... + 17057197.

It is an arithmetic number, because the mean of its divisors is an integer number (25585794).

Almost surely, 2^68228782 is an apocalyptic number.

68228782 is a deficient number, since it is larger than the sum of its proper divisors (34114394).

68228782 is a wasteful number, since it uses less digits than its factorization.

68228782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34114393.

The product of its digits is 172032, while the sum is 43.

The square root of 68228782 is about 8260.0715493269. The cubic root of 68228782 is about 408.6227474083.

The spelling of 68228782 in words is "sixty-eight million, two hundred twenty-eight thousand, seven hundred eighty-two".