68656344 has 16 divisors (see below), whose sum is σ = 171640920. Its totient is φ = 22885440.

The previous prime is 68656339. The next prime is 68656363. The reversal of 68656344 is 44365686.

It is a junction number, because it is equal to n+sod(n) for n = 68656296 and 68656305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430317 + ... + 1430364.

Almost surely, 2^68656344 is an apocalyptic number.

It is an amenable number.

68656344 is an abundant number, since it is smaller than the sum of its proper divisors (102984576).

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

68656344 is a wasteful number, since it uses less digits than its factorization.

68656344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860690 (or 2860686 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 68656344 is about 8285.9123818684. The cubic root of 68656344 is about 409.4745280916.

The spelling of 68656344 in words is "sixty-eight million, six hundred fifty-six thousand, three hundred forty-four".