68623682 has 4 divisors (see below), whose sum is σ = 102935526. Its totient is φ = 34311840.

The previous prime is 68623661. The next prime is 68623693. The reversal of 68623682 is 28632686.

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., 53421481 + 15202201 = 7309^2 + 3899^2 .

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, 17155919 + ... + 17155922.

Almost surely, 2^68623682 is an apocalyptic number.

68623682 is a deficient number, since it is larger than the sum of its proper divisors (34311844).

68623682 is a wasteful number, since it uses less digits than its factorization.

68623682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34311843.

The product of its digits is 165888, while the sum is 41.

The square root of 68623682 is about 8283.9412117663. The cubic root of 68623682 is about 409.4095844527.

The spelling of 68623682 in words is "sixty-eight million, six hundred twenty-three thousand, six hundred eighty-two".