68343197 has 4 divisors (see below), whose sum is σ = 73600380. Its totient is φ = 63086016.

The previous prime is 68343173. The next prime is 68343221. The reversal of 68343197 is 79134386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79134386 = 2 ⋅39567193.

It is an interprime number because it is at equal distance from previous prime (68343173) and next prime (68343221).

It can be written as a sum of positive squares in 2 ways, for example, as 7284601 + 61058596 = 2699^2 + 7814^2 .

It is a cyclic number.

It is not a de Polignac number, because 68343197 - 2¹⁰ = 68342173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68343157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628572 + ... + 2628597.

It is an arithmetic number, because the mean of its divisors is an integer number (18400095).

Almost surely, 2^68343197 is an apocalyptic number.

It is an amenable number.

68343197 is a deficient number, since it is larger than the sum of its proper divisors (5257183).

68343197 is a wasteful number, since it uses less digits than its factorization.

68343197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257182.

The product of its digits is 108864, while the sum is 41.

The square root of 68343197 is about 8266.9944357064. The cubic root of 68343197 is about 408.8510306488.

The spelling of 68343197 in words is "sixty-eight million, three hundred forty-three thousand, one hundred ninety-seven".