68131037 has 16 divisors (see below), whose sum is σ = 77027328. Its totient is φ = 59790720.

The previous prime is 68131009. The next prime is 68131039. The reversal of 68131037 is 73013186.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68131037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68131039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56513 + ... + 57705.

It is an arithmetic number, because the mean of its divisors is an integer number (4814208).

Almost surely, 2^68131037 is an apocalyptic number.

It is an amenable number.

68131037 is a deficient number, since it is larger than the sum of its proper divisors (8896291).

68131037 is a wasteful number, since it uses less digits than its factorization.

68131037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 68131037 is about 8254.1527124230. The cubic root of 68131037 is about 408.4275222769.

The spelling of 68131037 in words is "sixty-eight million, one hundred thirty-one thousand, thirty-seven".