68742308 has 12 divisors (see below), whose sum is σ = 125529600. Its totient is φ = 32876712.

The previous prime is 68742299. The next prime is 68742313. The reversal of 68742308 is 80324786.

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 3 ways as a sum of consecutive naturals, for example, 373508 + ... + 373691.

It is an arithmetic number, because the mean of its divisors is an integer number (10460800).

Almost surely, 2^68742308 is an apocalyptic number.

It is an amenable number.

68742308 is a deficient number, since it is larger than the sum of its proper divisors (56787292).

68742308 is a wasteful number, since it uses less digits than its factorization.

68742308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747226 (or 747224 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 68742308 is about 8291.0981178611. The cubic root of 68742308 is about 409.6453566233.

The spelling of 68742308 in words is "sixty-eight million, seven hundred forty-two thousand, three hundred eight".