68204726 has 4 divisors (see below), whose sum is σ = 102307092. Its totient is φ = 34102362.

The previous prime is 68204713. The next prime is 68204753. The reversal of 68204726 is 62740286.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 17051180 + ... + 17051183.

It is an arithmetic number, because the mean of its divisors is an integer number (25576773).

Almost surely, 2^68204726 is an apocalyptic number.

68204726 is a deficient number, since it is larger than the sum of its proper divisors (34102366).

68204726 is a wasteful number, since it uses less digits than its factorization.

68204726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34102365.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 68204726 is about 8258.6152592308. The cubic root of 68204726 is about 408.5747179013.

The spelling of 68204726 in words is "sixty-eight million, two hundred four thousand, seven hundred twenty-six".