68344635 has 16 divisors (see below), whose sum is σ = 110357280. Its totient is φ = 36115200.

The previous prime is 68344631. The next prime is 68344637. The reversal of 68344635 is 53644386.

It is not a de Polignac number, because 68344635 - 2² = 68344631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68344593 and 68344602.

It is not an unprimeable number, because it can be changed into a prime (68344631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19266 + ... + 22535.

It is an arithmetic number, because the mean of its divisors is an integer number (6897330).

Almost surely, 2^68344635 is an apocalyptic number.

68344635 is a deficient number, since it is larger than the sum of its proper divisors (42012645).

68344635 is a wasteful number, since it uses less digits than its factorization.

68344635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41918.

The product of its digits is 207360, while the sum is 39.

The square root of 68344635 is about 8267.0814076069. The cubic root of 68344635 is about 408.8538981552.

The spelling of 68344635 in words is "sixty-eight million, three hundred forty-four thousand, six hundred thirty-five".