68393268 has 24 divisors (see below), whose sum is σ = 177316160. Its totient is φ = 22797720.

The previous prime is 68393257. The next prime is 68393309. The reversal of 68393268 is 86239386.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316528 + ... + 316743.

Almost surely, 2^68393268 is an apocalyptic number.

It is an amenable number.

68393268 is an abundant number, since it is smaller than the sum of its proper divisors (108922892).

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

68393268 is a wasteful number, since it uses less digits than its factorization.

68393268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633284 (or 633276 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 68393268 is about 8270.0222490632. The cubic root of 68393268 is about 408.9508532278.

The spelling of 68393268 in words is "sixty-eight million, three hundred ninety-three thousand, two hundred sixty-eight".