68086237 has 4 divisors (see below), whose sum is σ = 68104476. Its totient is φ = 68068000.

The previous prime is 68086223. The next prime is 68086247. The reversal of 68086237 is 73268086.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24710841 + 43375396 = 4971^2 + 6586^2 .

It is a cyclic number.

It is not a de Polignac number, because 68086237 - 2¹¹ = 68084189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68086237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68086217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264 + ... + 11737.

It is an arithmetic number, because the mean of its divisors is an integer number (17026119).

Almost surely, 2^68086237 is an apocalyptic number.

It is an amenable number.

68086237 is a deficient number, since it is larger than the sum of its proper divisors (18239).

68086237 is a wasteful number, since it uses less digits than its factorization.

68086237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18238.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 68086237 is about 8251.4384806529. The cubic root of 68086237 is about 408.3379812697.

The spelling of 68086237 in words is "sixty-eight million, eighty-six thousand, two hundred thirty-seven".