68013338 has 4 divisors (see below), whose sum is σ = 102020010. Its totient is φ = 34006668.

The previous prime is 68013329. The next prime is 68013343. The reversal of 68013338 is 83331086.

It is a happy number.

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., 49463089 + 18550249 = 7033^2 + 4307^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17003333 + ... + 17003336.

Almost surely, 2^68013338 is an apocalyptic number.

68013338 is a deficient number, since it is larger than the sum of its proper divisors (34006672).

68013338 is a wasteful number, since it uses less digits than its factorization.

68013338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34006671.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 68013338 is about 8247.0199466231. The cubic root of 68013338 is about 408.1921952685.

The spelling of 68013338 in words is "sixty-eight million, thirteen thousand, three hundred thirty-eight".