68298319 has 4 divisors (see below), whose sum is σ = 69886696. Its totient is φ = 66709944.

The previous prime is 68298317. The next prime is 68298323. The reversal of 68298319 is 91389286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91389286 = 2 ⋅45694643.

It is a cyclic number.

It is not a de Polignac number, because 68298319 - 2¹ = 68298317 is a prime.

It is a super-2 number, since 2×68298319² = 9329320756451522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68298311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794124 + ... + 794209.

It is an arithmetic number, because the mean of its divisors is an integer number (17471674).

Almost surely, 2^68298319 is an apocalyptic number.

68298319 is a deficient number, since it is larger than the sum of its proper divisors (1588377).

68298319 is a wasteful number, since it uses less digits than its factorization.

68298319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588376.

The product of its digits is 186624, while the sum is 46.

The square root of 68298319 is about 8264.2797024302. The cubic root of 68298319 is about 408.7615195000.

The spelling of 68298319 in words is "sixty-eight million, two hundred ninety-eight thousand, three hundred nineteen".