68901841 has 2 divisors, whose sum is σ = 68901842. Its totient is φ = 68901840.

The previous prime is 68901827. The next prime is 68901851. The reversal of 68901841 is 14810986.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68541841 + 360000 = 8279^2 + 600^2 .

It is a cyclic number.

It is not a de Polignac number, because 68901841 - 2⁷ = 68901713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68901841.

It is not a weakly prime, because it can be changed into another prime (68901851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34450920 + 34450921.

It is an arithmetic number, because the mean of its divisors is an integer number (34450921).

Almost surely, 2^68901841 is an apocalyptic number.

It is an amenable number.

68901841 is a deficient number, since it is larger than the sum of its proper divisors (1).

68901841 is an equidigital number, since it uses as much as digits as its factorization.

68901841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 68901841 is about 8300.7132826041. The cubic root of 68901841 is about 409.9620052041.

The spelling of 68901841 in words is "sixty-eight million, nine hundred one thousand, eight hundred forty-one".