68319586 has 4 divisors (see below), whose sum is σ = 102479382. Its totient is φ = 34159792.

The previous prime is 68319553. The next prime is 68319599. The reversal of 68319586 is 68591386.

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., 49266361 + 19053225 = 7019^2 + 4365^2 .

It is a super-2 number, since 2×68319586² = 9335131662422792, which contains 22 as substring.

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, 17079895 + ... + 17079898.

Almost surely, 2^68319586 is an apocalyptic number.

68319586 is a deficient number, since it is larger than the sum of its proper divisors (34159796).

68319586 is a wasteful number, since it uses less digits than its factorization.

68319586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34159795.

The product of its digits is 311040, while the sum is 46.

The square root of 68319586 is about 8265.5662842905. The cubic root of 68319586 is about 408.8039423552.

The spelling of 68319586 in words is "sixty-eight million, three hundred nineteen thousand, five hundred eighty-six".