68744516 has 12 divisors (see below), whose sum is σ = 125533632. Its totient is φ = 32877768.

The previous prime is 68744513. The next prime is 68744521. The reversal of 68744516 is 61544786.

It is not an unprimeable number, because it can be changed into a prime (68744513) by changing a digit.

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, 373520 + ... + 373703.

It is an arithmetic number, because the mean of its divisors is an integer number (10461136).

Almost surely, 2^68744516 is an apocalyptic number.

It is an amenable number.

68744516 is a deficient number, since it is larger than the sum of its proper divisors (56789116).

68744516 is a wasteful number, since it uses less digits than its factorization.

68744516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747250 (or 747248 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 68744516 is about 8291.2312716508. The cubic root of 68744516 is about 409.6497425068.

The spelling of 68744516 in words is "sixty-eight million, seven hundred forty-four thousand, five hundred sixteen".