68336942 has 4 divisors (see below), whose sum is σ = 102505416. Its totient is φ = 34168470.

The previous prime is 68336921. The next prime is 68336951. The reversal of 68336942 is 24963386.

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

It is a super-3 number, since 3×68336942³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 68336942.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17084234 + ... + 17084237.

It is an arithmetic number, because the mean of its divisors is an integer number (25626354).

Almost surely, 2^68336942 is an apocalyptic number.

68336942 is a deficient number, since it is larger than the sum of its proper divisors (34168474).

68336942 is a wasteful number, since it uses less digits than its factorization.

68336942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34168473.

The product of its digits is 186624, while the sum is 41.

The square root of 68336942 is about 8266.6161154368. The cubic root of 68336942 is about 408.8385571263.

The spelling of 68336942 in words is "sixty-eight million, three hundred thirty-six thousand, nine hundred forty-two".