68238716 has 24 divisors (see below), whose sum is σ = 146976480. Its totient is φ = 26995392.

The previous prime is 68238713. The next prime is 68238733. The reversal of 68238716 is 61783286.

It is a happy number.

It is a super-2 number, since 2×68238716² = 9313044722657312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68238713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93371 + ... + 94098.

It is an arithmetic number, because the mean of its divisors is an integer number (6124020).

Almost surely, 2^68238716 is an apocalyptic number.

It is an amenable number.

68238716 is an abundant number, since it is smaller than the sum of its proper divisors (78737764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68238716 is a wasteful number, since it uses less digits than its factorization.

68238716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187493 (or 187491 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 68238716 is about 8260.6728539508. The cubic root of 68238716 is about 408.6425780490.

The spelling of 68238716 in words is "sixty-eight million, two hundred thirty-eight thousand, seven hundred sixteen".