68844368 has 10 divisors (see below), whose sum is σ = 133385994. Its totient is φ = 34422176.

The previous prime is 68844361. The next prime is 68844379. The reversal of 68844368 is 86344886.

It can be written as a sum of positive squares in only one way, i.e., 58553104 + 10291264 = 7652^2 + 3208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68844361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2151371 + ... + 2151402.

Almost surely, 2^68844368 is an apocalyptic number.

It is an amenable number.

68844368 is a deficient number, since it is larger than the sum of its proper divisors (64541626).

68844368 is a wasteful number, since it uses less digits than its factorization.

68844368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302781 (or 4302775 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The square root of 68844368 is about 8297.2506289734. The cubic root of 68844368 is about 409.8479864774.

The spelling of 68844368 in words is "sixty-eight million, eight hundred forty-four thousand, three hundred sixty-eight".