68018435 has 4 divisors (see below), whose sum is σ = 81622128. Its totient is φ = 54414744.

The previous prime is 68018413. The next prime is 68018441. The reversal of 68018435 is 53481086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68018435 - 2²⁴ = 51241219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68018395 and 68018404.

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, 6801839 + ... + 6801848.

It is an arithmetic number, because the mean of its divisors is an integer number (20405532).

Almost surely, 2^68018435 is an apocalyptic number.

68018435 is a deficient number, since it is larger than the sum of its proper divisors (13603693).

68018435 is a wasteful number, since it uses less digits than its factorization.

68018435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13603692.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 68018435 is about 8247.3289615487. The cubic root of 68018435 is about 408.2023918158.

The spelling of 68018435 in words is "sixty-eight million, eighteen thousand, four hundred thirty-five".