68290349 has 2 divisors, whose sum is σ = 68290350. Its totient is φ = 68290348.

The previous prime is 68290333. The next prime is 68290357. The reversal of 68290349 is 94309286.

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., 35880100 + 32410249 = 5990^2 + 5693^2 .

It is a cyclic number.

It is not a de Polignac number, because 68290349 - 2⁴ = 68290333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68250349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34145174 + 34145175.

It is an arithmetic number, because the mean of its divisors is an integer number (34145175).

Almost surely, 2^68290349 is an apocalyptic number.

It is an amenable number.

68290349 is a deficient number, since it is larger than the sum of its proper divisors (1).

68290349 is an equidigital number, since it uses as much as digits as its factorization.

68290349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 68290349 is about 8263.7974926785. The cubic root of 68290349 is about 408.7456188840.

The spelling of 68290349 in words is "sixty-eight million, two hundred ninety thousand, three hundred forty-nine".