68671419 has 4 divisors (see below), whose sum is σ = 91561896. Its totient is φ = 45780944.

The previous prime is 68671409. The next prime is 68671451. The reversal of 68671419 is 91417686.

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 68671419 - 2⁴ = 68671403 is a prime.

It is a super-2 number, since 2×68671419² = 9431527574947122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68671409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11445234 + ... + 11445239.

It is an arithmetic number, because the mean of its divisors is an integer number (22890474).

Almost surely, 2^68671419 is an apocalyptic number.

68671419 is a deficient number, since it is larger than the sum of its proper divisors (22890477).

68671419 is a wasteful number, since it uses less digits than its factorization.

68671419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22890476.

The product of its digits is 72576, while the sum is 42.

The square root of 68671419 is about 8286.8220084662. The cubic root of 68671419 is about 409.5044955907.

The spelling of 68671419 in words is "sixty-eight million, six hundred seventy-one thousand, four hundred nineteen".