68419678 has 4 divisors (see below), whose sum is σ = 102629520. Its totient is φ = 34209838.

The previous prime is 68419667. The next prime is 68419691. The reversal of 68419678 is 87691486.

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

It is a super-3 number, since 3×68419678³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17104918 + ... + 17104921.

It is an arithmetic number, because the mean of its divisors is an integer number (25657380).

Almost surely, 2^68419678 is an apocalyptic number.

68419678 is a deficient number, since it is larger than the sum of its proper divisors (34209842).

68419678 is a wasteful number, since it uses less digits than its factorization.

68419678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34209841.

The product of its digits is 580608, while the sum is 49.

The square root of 68419678 is about 8271.6188258406. The cubic root of 68419678 is about 409.0034851240.

The spelling of 68419678 in words is "sixty-eight million, four hundred nineteen thousand, six hundred seventy-eight".