68814794 has 4 divisors (see below), whose sum is σ = 103222194. Its totient is φ = 34407396.

The previous prime is 68814787. The next prime is 68814799. The reversal of 68814794 is 49741886.

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., 57957769 + 10857025 = 7613^2 + 3295^2 .

It is not an unprimeable number, because it can be changed into a prime (68814799) 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, 17203697 + ... + 17203700.

Almost surely, 2^68814794 is an apocalyptic number.

68814794 is a deficient number, since it is larger than the sum of its proper divisors (34407400).

68814794 is a wasteful number, since it uses less digits than its factorization.

68814794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34407399.

The product of its digits is 387072, while the sum is 47.

The square root of 68814794 is about 8295.4682809351. The cubic root of 68814794 is about 409.7892908971.

The spelling of 68814794 in words is "sixty-eight million, eight hundred fourteen thousand, seven hundred ninety-four".