68785568 has 24 divisors (see below), whose sum is σ = 135672768. Its totient is φ = 34329024.

The previous prime is 68785547. The next prime is 68785579. The reversal of 68785568 is 86558786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18905 + ... + 22247.

It is an arithmetic number, because the mean of its divisors is an integer number (5653032).

Almost surely, 2^68785568 is an apocalyptic number.

It is an amenable number.

68785568 is a deficient number, since it is larger than the sum of its proper divisors (66887200).

68785568 is a wasteful number, since it uses less digits than its factorization.

68785568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3988 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 53.

The square root of 68785568 is about 8293.7065296525. The cubic root of 68785568 is about 409.7312694698.

The spelling of 68785568 in words is "sixty-eight million, seven hundred eighty-five thousand, five hundred sixty-eight".