68286338 has 4 divisors (see below), whose sum is σ = 102429510. Its totient is φ = 34143168.

The previous prime is 68286319. The next prime is 68286343. The reversal of 68286338 is 83368286.

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., 50452609 + 17833729 = 7103^2 + 4223^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17071583 + ... + 17071586.

Almost surely, 2^68286338 is an apocalyptic number.

68286338 is a deficient number, since it is larger than the sum of its proper divisors (34143172).

68286338 is a wasteful number, since it uses less digits than its factorization.

68286338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34143171.

The product of its digits is 331776, while the sum is 44.

The square root of 68286338 is about 8263.5548040780. The cubic root of 68286338 is about 408.7376162365.

The spelling of 68286338 in words is "sixty-eight million, two hundred eighty-six thousand, three hundred thirty-eight".