68419618 has 8 divisors (see below), whose sum is σ = 107091648. Its totient is φ = 32722404.

The previous prime is 68419567. The next prime is 68419633. The reversal of 68419618 is 81691486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743646 + ... + 743737.

It is an arithmetic number, because the mean of its divisors is an integer number (13386456).

Almost surely, 2^68419618 is an apocalyptic number.

68419618 is a deficient number, since it is larger than the sum of its proper divisors (38672030).

68419618 is a wasteful number, since it uses less digits than its factorization.

68419618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487408.

The product of its digits is 82944, while the sum is 43.

The square root of 68419618 is about 8271.6151989802. The cubic root of 68419618 is about 409.0033655667.

It can be divided in two parts, 684 and 19618, that added together give a palindrome (20302).

The spelling of 68419618 in words is "sixty-eight million, four hundred nineteen thousand, six hundred eighteen".