68437 has 2 divisors, whose sum is σ = 68438. Its totient is φ = 68436.

The previous prime is 68399. The next prime is 68443. The reversal of 68437 is 73486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60516 + 7921 = 246^2 + 89^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34218 + 34219.

It is an arithmetic number, because the mean of its divisors is an integer number (34219).

2⁶⁸⁴³⁷ is an apocalyptic number.

It is an amenable number.

68437 is a deficient number, since it is larger than the sum of its proper divisors (1).

68437 is an equidigital number, since it uses as much as digits as its factorization.

68437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 68437 is about 261.6046635670. The cubic root of 68437 is about 40.9037998395.

It can be divided in two parts, 68 and 437, that added together give a palindrome (505).

The spelling of 68437 in words is "sixty-eight thousand, four hundred thirty-seven".