68137286 has 8 divisors (see below), whose sum is σ = 116806800. Its totient is φ = 29201688.

The previous prime is 68137231. The next prime is 68137297. The reversal of 68137286 is 68273186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433461 + ... + 2433488.

It is an arithmetic number, because the mean of its divisors is an integer number (14600850).

Almost surely, 2^68137286 is an apocalyptic number.

68137286 is a deficient number, since it is larger than the sum of its proper divisors (48669514).

68137286 is a wasteful number, since it uses less digits than its factorization.

68137286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866958.

The product of its digits is 96768, while the sum is 41.

The square root of 68137286 is about 8254.5312404763. The cubic root of 68137286 is about 408.4400089284.

The spelling of 68137286 in words is "sixty-eight million, one hundred thirty-seven thousand, two hundred eighty-six".