68112537 has 8 divisors (see below), whose sum is σ = 90928320. Its totient is φ = 45352560.

The previous prime is 68112509. The next prime is 68112563. The reversal of 68112537 is 73521186.

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

It is not a de Polignac number, because 68112537 - 2¹⁰ = 68111513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68112498 and 68112507.

It is not an unprimeable number, because it can be changed into a prime (68182537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11014 + ... + 16047.

It is an arithmetic number, because the mean of its divisors is an integer number (11366040).

Almost surely, 2^68112537 is an apocalyptic number.

It is an amenable number.

68112537 is a deficient number, since it is larger than the sum of its proper divisors (22815783).

68112537 is a wasteful number, since it uses less digits than its factorization.

68112537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27903.

The product of its digits is 10080, while the sum is 33.

The square root of 68112537 is about 8253.0319883059. The cubic root of 68112537 is about 408.3905513970.

The spelling of 68112537 in words is "sixty-eight million, one hundred twelve thousand, five hundred thirty-seven".