68612413 has 2 divisors, whose sum is σ = 68612414. Its totient is φ = 68612412.

The previous prime is 68612407. The next prime is 68612441. The reversal of 68612413 is 31421686.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68508729 + 103684 = 8277^2 + 322^2 .

It is a cyclic number.

It is not a de Polignac number, because 68612413 - 2¹⁷ = 68481341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68612513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34306206 + 34306207.

It is an arithmetic number, because the mean of its divisors is an integer number (34306207).

Almost surely, 2^68612413 is an apocalyptic number.

It is an amenable number.

68612413 is a deficient number, since it is larger than the sum of its proper divisors (1).

68612413 is an equidigital number, since it uses as much as digits as its factorization.

68612413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 68612413 is about 8283.2610124274. The cubic root of 68612413 is about 409.3871729030.

The spelling of 68612413 in words is "sixty-eight million, six hundred twelve thousand, four hundred thirteen".