68228474 has 8 divisors (see below), whose sum is σ = 105871860. Its totient is φ = 32937856.

The previous prime is 68228473. The next prime is 68228483. The reversal of 68228474 is 47482286.

It can be written as a sum of positive squares in 2 ways, for example, as 65529025 + 2699449 = 8095^2 + 1643^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68228473) 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 in 3 ways as a sum of consecutive naturals, for example, 588119 + ... + 588234.

Almost surely, 2^68228474 is an apocalyptic number.

68228474 is a deficient number, since it is larger than the sum of its proper divisors (37643386).

68228474 is a wasteful number, since it uses less digits than its factorization.

68228474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176384.

The product of its digits is 172032, while the sum is 41.

The square root of 68228474 is about 8260.0529053996. The cubic root of 68228474 is about 408.6221325359.

The spelling of 68228474 in words is "sixty-eight million, two hundred twenty-eight thousand, four hundred seventy-four".