68305418 has 16 divisors (see below), whose sum is σ = 108457440. Its totient is φ = 32173200.

The previous prime is 68305409. The next prime is 68305427. The reversal of 68305418 is 81450386.

It is an interprime number because it is at equal distance from previous prime (68305409) and next prime (68305427).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1913 + ... + 11843.

It is an arithmetic number, because the mean of its divisors is an integer number (6778590).

Almost surely, 2^68305418 is an apocalyptic number.

68305418 is a deficient number, since it is larger than the sum of its proper divisors (40152022).

68305418 is a wasteful number, since it uses less digits than its factorization.

68305418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133.

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

The square root of 68305418 is about 8264.7091902861. The cubic root of 68305418 is about 408.7756813786.

The spelling of 68305418 in words is "sixty-eight million, three hundred five thousand, four hundred eighteen".