68997794 has 4 divisors (see below), whose sum is σ = 103496694. Its totient is φ = 34498896.

The previous prime is 68997791. The next prime is 68997823. The reversal of 68997794 is 49779986.

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

It can be written as a sum of positive squares in only one way, i.e., 54213769 + 14784025 = 7363^2 + 3845^2 .

It is not an unprimeable number, because it can be changed into a prime (68997791) 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 as a sum of consecutive naturals, namely, 17249447 + ... + 17249450.

Almost surely, 2^68997794 is an apocalyptic number.

68997794 is a deficient number, since it is larger than the sum of its proper divisors (34498900).

68997794 is a wasteful number, since it uses less digits than its factorization.

68997794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34498899.

The product of its digits is 6858432, while the sum is 59.

The square root of 68997794 is about 8306.4910762608. The cubic root of 68997794 is about 410.1522218829.

The spelling of 68997794 in words is "sixty-eight million, nine hundred ninety-seven thousand, seven hundred ninety-four".