68104645 has 32 divisors (see below), whose sum is σ = 100454400. Its totient is φ = 43281216.

The previous prime is 68104577. The next prime is 68104651. The reversal of 68104645 is 54640186.

It is a cyclic number.

It is not a de Polignac number, because 68104645 - 2⁹ = 68104133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68104645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30166 + ... + 32344.

It is an arithmetic number, because the mean of its divisors is an integer number (3139200).

Almost surely, 2^68104645 is an apocalyptic number.

It is an amenable number.

68104645 is a deficient number, since it is larger than the sum of its proper divisors (32349755).

68104645 is a wasteful number, since it uses less digits than its factorization.

68104645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 68104645 is about 8252.5538471433. The cubic root of 68104645 is about 408.3747777824.

The spelling of 68104645 in words is "sixty-eight million, one hundred four thousand, six hundred forty-five".