68037957 has 12 divisors (see below), whose sum is σ = 105837004. Its totient is φ = 41869440.

The previous prime is 68037947. The next prime is 68038001. The reversal of 68037957 is 75973086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13883076 + 54154881 = 3726^2 + 7359^2 .

It is a de Polignac number, because none of the positive numbers 2^k-68037957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68037947) 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 11 ways as a sum of consecutive naturals, for example, 290644 + ... + 290877.

Almost surely, 2^68037957 is an apocalyptic number.

It is an amenable number.

68037957 is a deficient number, since it is larger than the sum of its proper divisors (37799047).

68037957 is a wasteful number, since it uses less digits than its factorization.

68037957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581540 (or 581537 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 68037957 is about 8248.5124113382. The cubic root of 68037957 is about 408.2414408610.

The spelling of 68037957 in words is "sixty-eight million, thirty-seven thousand, nine hundred fifty-seven".