68419718 has 16 divisors (see below), whose sum is σ = 104864544. Its totient is φ = 33472320.

The previous prime is 68419691. The next prime is 68419727. The reversal of 68419718 is 81791486.

It is a super-2 number, since 2×68419718² = 9362515622399048, 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, 17696 + ... + 21212.

It is an arithmetic number, because the mean of its divisors is an integer number (6554034).

Almost surely, 2^68419718 is an apocalyptic number.

68419718 is a deficient number, since it is larger than the sum of its proper divisors (36444826).

68419718 is a wasteful number, since it uses less digits than its factorization.

68419718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727.

The product of its digits is 96768, while the sum is 44.

The square root of 68419718 is about 8271.6212437466. The cubic root of 68419718 is about 409.0035648289.

It can be divided in two parts, 684 and 19718, that added together give a palindrome (20402).

The spelling of 68419718 in words is "sixty-eight million, four hundred nineteen thousand, seven hundred eighteen".