68275819 has 8 divisors (see below), whose sum is σ = 71046720. Its totient is φ = 65559936.

The previous prime is 68275813. The next prime is 68275849. The reversal of 68275819 is 91857286.

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

It is a cyclic number.

It is not a de Polignac number, because 68275819 - 2³ = 68275811 is a prime.

It is a super-2 number, since 2×68275819² = 9323174920241522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68275811) 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 7 ways as a sum of consecutive naturals, for example, 11214 + ... + 16195.

It is an arithmetic number, because the mean of its divisors is an integer number (8880840).

Almost surely, 2^68275819 is an apocalyptic number.

68275819 is a deficient number, since it is larger than the sum of its proper divisors (2770901).

68275819 is a wasteful number, since it uses less digits than its factorization.

68275819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27509.

The product of its digits is 241920, while the sum is 46.

The square root of 68275819 is about 8262.9183101372. The cubic root of 68275819 is about 408.7166275004.

The spelling of 68275819 in words is "sixty-eight million, two hundred seventy-five thousand, eight hundred nineteen".