68204995 has 16 divisors (see below), whose sum is σ = 84235680. Its totient is φ = 52994304.

The previous prime is 68204989. The next prime is 68204999. The reversal of 68204995 is 59940286.

It is a cyclic number.

It is not a de Polignac number, because 68204995 - 2¹¹ = 68202947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68204999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23061 + ... + 25849.

It is an arithmetic number, because the mean of its divisors is an integer number (5264730).

Almost surely, 2^68204995 is an apocalyptic number.

68204995 is a deficient number, since it is larger than the sum of its proper divisors (16030685).

68204995 is a wasteful number, since it uses less digits than its factorization.

68204995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 68204995 is about 8258.6315452380. The cubic root of 68204995 is about 408.5752550413.

The spelling of 68204995 in words is "sixty-eight million, two hundred four thousand, nine hundred ninety-five".