68254066 has 4 divisors (see below), whose sum is σ = 102381102. Its totient is φ = 34127032.

The previous prime is 68254063. The next prime is 68254073. The reversal of 68254066 is 66045286.

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., 61858225 + 6395841 = 7865^2 + 2529^2 .

It is not an unprimeable number, because it can be changed into a prime (68254063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17063515 + ... + 17063518.

Almost surely, 2^68254066 is an apocalyptic number.

68254066 is a deficient number, since it is larger than the sum of its proper divisors (34127036).

68254066 is a wasteful number, since it uses less digits than its factorization.

68254066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34127035.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 68254066 is about 8261.6019027789. The cubic root of 68254066 is about 408.6732165373.

The spelling of 68254066 in words is "sixty-eight million, two hundred fifty-four thousand, sixty-six".