68012037 has 6 divisors (see below), whose sum is σ = 98239622. Its totient is φ = 45341352.

The previous prime is 68012029. The next prime is 68012041. The reversal of 68012037 is 73021086.

It can be written as a sum of positive squares in only one way, i.e., 41293476 + 26718561 = 6426^2 + 5169^2 .

It is not a de Polignac number, because 68012037 - 2³ = 68012029 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 68012037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68012027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3778438 + ... + 3778455.

Almost surely, 2^68012037 is an apocalyptic number.

It is an amenable number.

68012037 is a deficient number, since it is larger than the sum of its proper divisors (30227585).

68012037 is a wasteful number, since it uses less digits than its factorization.

68012037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556899 (or 7556896 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 68012037 is about 8246.9410692693. The cubic root of 68012037 is about 408.1895925367.

The spelling of 68012037 in words is "sixty-eight million, twelve thousand, thirty-seven".