68376919 has 4 divisors (see below), whose sum is σ = 73636696. Its totient is φ = 63117144.

The previous prime is 68376911. The next prime is 68376947. The reversal of 68376919 is 91967386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68376919 - 2³ = 68376911 is a prime.

It is a super-2 number, since 2×68376919² = 9350806103865122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68376911) 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, 2629869 + ... + 2629894.

It is an arithmetic number, because the mean of its divisors is an integer number (18409174).

Almost surely, 2^68376919 is an apocalyptic number.

68376919 is a deficient number, since it is larger than the sum of its proper divisors (5259777).

68376919 is a wasteful number, since it uses less digits than its factorization.

68376919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259776.

The product of its digits is 489888, while the sum is 49.

The square root of 68376919 is about 8269.0337404076. The cubic root of 68376919 is about 408.9182648825.

The spelling of 68376919 in words is "sixty-eight million, three hundred seventy-six thousand, nine hundred nineteen".