68360258 has 8 divisors (see below), whose sum is σ = 103133628. Its totient is φ = 33982384.

The previous prime is 68360249. The next prime is 68360263. The reversal of 68360258 is 85206386.

It can be written as a sum of positive squares in 2 ways, for example, as 51079609 + 17280649 = 7147^2 + 4157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98441 + ... + 99132.

Almost surely, 2^68360258 is an apocalyptic number.

68360258 is a deficient number, since it is larger than the sum of its proper divisors (34773370).

68360258 is a wasteful number, since it uses less digits than its factorization.

68360258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197748.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 68360258 is about 8268.0262457252. The cubic root of 68360258 is about 408.8850492850.

The spelling of 68360258 in words is "sixty-eight million, three hundred sixty thousand, two hundred fifty-eight".