68942116 has 6 divisors (see below), whose sum is σ = 120648710. Its totient is φ = 34471056.

The previous prime is 68942113. The next prime is 68942117. The reversal of 68942116 is 61124986.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52620516 + 16321600 = 7254^2 + 4040^2 .

It is not an unprimeable number, because it can be changed into a prime (68942113) 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 as a sum of consecutive naturals, namely, 8617761 + ... + 8617768.

Almost surely, 2^68942116 is an apocalyptic number.

It is an amenable number.

68942116 is a deficient number, since it is larger than the sum of its proper divisors (51706594).

68942116 is a wasteful number, since it uses less digits than its factorization.

68942116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235533 (or 17235531 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 68942116 is about 8303.1389245273. The cubic root of 68942116 is about 410.0418676261.

The spelling of 68942116 in words is "sixty-eight million, nine hundred forty-two thousand, one hundred sixteen".