68650344 has 192 divisors, whose sum is σ = 229132800. Its totient is φ = 18133632.

The previous prime is 68650333. The next prime is 68650433. The reversal of 68650344 is 44305686.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68650299 and 68650308.

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 47 ways as a sum of consecutive naturals, for example, 641539 + ... + 641645.

It is an arithmetic number, because the mean of its divisors is an integer number (1193400).

Almost surely, 2^68650344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68650344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114566400).

68650344 is an abundant number, since it is smaller than the sum of its proper divisors (160482456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68650344 is a wasteful number, since it uses less digits than its factorization.

68650344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 68650344 is about 8285.5503136485. The cubic root of 68650344 is about 409.4625995084.

The spelling of 68650344 in words is "sixty-eight million, six hundred fifty thousand, three hundred forty-four".