68018577 has 12 divisors (see below), whose sum is σ = 99686160. Its totient is φ = 41223160.

The previous prime is 68018539. The next prime is 68018591. The reversal of 68018577 is 77581086.

It is not a de Polignac number, because 68018577 - 2⁷ = 68018449 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (68018177) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 93327 + ... + 94052.

It is an arithmetic number, because the mean of its divisors is an integer number (8307180).

Almost surely, 2^68018577 is an apocalyptic number.

It is an amenable number.

68018577 is a deficient number, since it is larger than the sum of its proper divisors (31667583).

68018577 is a wasteful number, since it uses less digits than its factorization.

68018577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187404 (or 187393 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 68018577 is about 8247.3375703920. The cubic root of 68018577 is about 408.2026758795.

The spelling of 68018577 in words is "sixty-eight million, eighteen thousand, five hundred seventy-seven".