68551268 has 6 divisors (see below), whose sum is σ = 119964726. Its totient is φ = 34275632.

The previous prime is 68551267. The next prime is 68551279. The reversal of 68551268 is 86215586.

It can be written as a sum of positive squares in only one way, i.e., 51724864 + 16826404 = 7192^2 + 4102^2 .

It is a super-4 number, since 4×68551268⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (68551267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8568905 + ... + 8568912.

It is an arithmetic number, because the mean of its divisors is an integer number (19994121).

Almost surely, 2^68551268 is an apocalyptic number.

It is an amenable number.

68551268 is a deficient number, since it is larger than the sum of its proper divisors (51413458).

68551268 is a wasteful number, since it uses less digits than its factorization.

68551268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17137821 (or 17137819 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 68551268 is about 8279.5693124703. The cubic root of 68551268 is about 409.2655262157.

The spelling of 68551268 in words is "sixty-eight million, five hundred fifty-one thousand, two hundred sixty-eight".