68648344 has 8 divisors (see below), whose sum is σ = 128715660. Its totient is φ = 34324168.

The previous prime is 68648317. The next prime is 68648351. The reversal of 68648344 is 44384686.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 68648344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4290514 + ... + 4290529.

Almost surely, 2^68648344 is an apocalyptic number.

It is an amenable number.

68648344 is a deficient number, since it is larger than the sum of its proper divisors (60067316).

68648344 is a wasteful number, since it uses less digits than its factorization.

68648344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581049 (or 8581045 counting only the distinct ones).

The product of its digits is 442368, while the sum is 43.

The square root of 68648344 is about 8285.4296207258. The cubic root of 68648344 is about 409.4586231595.

The spelling of 68648344 in words is "sixty-eight million, six hundred forty-eight thousand, three hundred forty-four".