68626768 has 40 divisors (see below), whose sum is σ = 155204352. Its totient is φ = 28783488.

The previous prime is 68626759. The next prime is 68626783. The reversal of 68626768 is 86762686.

It is a super-2 number, since 2×68626768² = 9419266572251648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255 + ... + 11782.

Almost surely, 2^68626768 is an apocalyptic number.

It is an amenable number.

68626768 is an abundant number, since it is smaller than the sum of its proper divisors (86577584).

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

68626768 is a wasteful number, since it uses less digits than its factorization.

68626768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13099 (or 13093 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 68626768 is about 8284.1274736691. The cubic root of 68626768 is about 409.4157213965.

The spelling of 68626768 in words is "sixty-eight million, six hundred twenty-six thousand, seven hundred sixty-eight".