68935894 has 4 divisors (see below), whose sum is σ = 103403844. Its totient is φ = 34467946.

The previous prime is 68935891. The next prime is 68935897. The reversal of 68935894 is 49853986.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (68935891) and next prime (68935897).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68935891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17233972 + ... + 17233975.

It is an arithmetic number, because the mean of its divisors is an integer number (25850961).

Almost surely, 2^68935894 is an apocalyptic number.

68935894 is a deficient number, since it is larger than the sum of its proper divisors (34467950).

68935894 is a wasteful number, since it uses less digits than its factorization.

68935894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34467949.

The product of its digits is 1866240, while the sum is 52.

The square root of 68935894 is about 8302.7642384931. The cubic root of 68935894 is about 410.0295318803.

The spelling of 68935894 in words is "sixty-eight million, nine hundred thirty-five thousand, eight hundred ninety-four".