68612158 has 4 divisors (see below), whose sum is σ = 102918240. Its totient is φ = 34306078.

The previous prime is 68612123. The next prime is 68612177. The reversal of 68612158 is 85121686.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17153038 + ... + 17153041.

It is an arithmetic number, because the mean of its divisors is an integer number (25729560).

Almost surely, 2^68612158 is an apocalyptic number.

68612158 is a deficient number, since it is larger than the sum of its proper divisors (34306082).

68612158 is a wasteful number, since it uses less digits than its factorization.

68612158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34306081.

The product of its digits is 23040, while the sum is 37.

The square root of 68612158 is about 8283.2456199246. The cubic root of 68612158 is about 409.3866657360.

The spelling of 68612158 in words is "sixty-eight million, six hundred twelve thousand, one hundred fifty-eight".