68393308 has 6 divisors (see below), whose sum is σ = 119688296. Its totient is φ = 34196652.

The previous prime is 68393257. The next prime is 68393309. The reversal of 68393308 is 80339386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68393309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8549160 + ... + 8549167.

Almost surely, 2^68393308 is an apocalyptic number.

It is an amenable number.

68393308 is a deficient number, since it is larger than the sum of its proper divisors (51294988).

68393308 is a wasteful number, since it uses less digits than its factorization.

68393308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098331 (or 17098329 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 68393308 is about 8270.0246674360. The cubic root of 68393308 is about 408.9509329532.

The spelling of 68393308 in words is "sixty-eight million, three hundred ninety-three thousand, three hundred eight".