68946061 has 2 divisors, whose sum is σ = 68946062. Its totient is φ = 68946060.

The previous prime is 68946023. The next prime is 68946083. The reversal of 68946061 is 16064986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64561225 + 4384836 = 8035^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 68946061 - 2⁹ = 68945549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68947061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34473030 + 34473031.

It is an arithmetic number, because the mean of its divisors is an integer number (34473031).

Almost surely, 2^68946061 is an apocalyptic number.

It is an amenable number.

68946061 is a deficient number, since it is larger than the sum of its proper divisors (1).

68946061 is an equidigital number, since it uses as much as digits as its factorization.

68946061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 68946061 is about 8303.3764818898. The cubic root of 68946061 is about 410.0496886041.

The spelling of 68946061 in words is "sixty-eight million, nine hundred forty-six thousand, sixty-one".