68739286 has 32 divisors (see below), whose sum is σ = 131300352. Its totient is φ = 26208960.

The previous prime is 68739271. The next prime is 68739311. The reversal of 68739286 is 68293786.

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 in 15 ways as a sum of consecutive naturals, for example, 2490 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (4103136).

Almost surely, 2^68739286 is an apocalyptic number.

68739286 is a deficient number, since it is larger than the sum of its proper divisors (62561066).

68739286 is a wasteful number, since it uses less digits than its factorization.

68739286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9564.

The product of its digits is 870912, while the sum is 49.

The square root of 68739286 is about 8290.9158722062. The cubic root of 68739286 is about 409.6393536903.

The spelling of 68739286 in words is "sixty-eight million, seven hundred thirty-nine thousand, two hundred eighty-six".