68344916 has 12 divisors (see below), whose sum is σ = 120477588. Its totient is φ = 33922752.

The previous prime is 68344907. The next prime is 68344921. The reversal of 68344916 is 61944386.

It can be written as a sum of positive squares in 2 ways, for example, as 52504516 + 15840400 = 7246^2 + 3980^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61811 + ... + 62906.

It is an arithmetic number, because the mean of its divisors is an integer number (10039799).

Almost surely, 2^68344916 is an apocalyptic number.

It is an amenable number.

68344916 is a deficient number, since it is larger than the sum of its proper divisors (52132672).

68344916 is a wasteful number, since it uses less digits than its factorization.

68344916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124858 (or 124856 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 68344916 is about 8267.0984027045. The cubic root of 68344916 is about 408.8544584907.

The spelling of 68344916 in words is "sixty-eight million, three hundred forty-four thousand, nine hundred sixteen".