68895644 has 12 divisors (see below), whose sum is σ = 122020584. Its totient is φ = 34032624.

The previous prime is 68895643. The next prime is 68895661. The reversal of 68895644 is 44659886.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68895592 and 68895601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68895643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103427 + ... + 104090.

It is an arithmetic number, because the mean of its divisors is an integer number (10168382).

Almost surely, 2^68895644 is an apocalyptic number.

It is an amenable number.

68895644 is a deficient number, since it is larger than the sum of its proper divisors (53124940).

68895644 is a wasteful number, since it uses less digits than its factorization.

68895644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207604 (or 207602 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 68895644 is about 8300.3399930364. The cubic root of 68895644 is about 409.9497142373.

The spelling of 68895644 in words is "sixty-eight million, eight hundred ninety-five thousand, six hundred forty-four".