67919 has 4 divisors (see below), whose sum is σ = 70896. Its totient is φ = 64944.

The previous prime is 67901. The next prime is 67927. The reversal of 67919 is 91976.

Added to its reverse (91976) it gives a triangular number (159895 = T₅₆₅).

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 67919 - 2¹² = 63823 is a prime.

It is a super-2 number, since 2×67919² = 9225981122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (17724).

2⁶⁷⁹¹⁹ is an apocalyptic number.

67919 is a deficient number, since it is larger than the sum of its proper divisors (2977).

67919 is a wasteful number, since it uses less digits than its factorization.

67919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976.

The product of its digits is 3402, while the sum is 32.

The square root of 67919 is about 260.6127395198. The cubic root of 67919 is about 40.8003380082.

Adding to 67919 its reverse (91976), we get a triangular number (159895 = T₅₆₅).

The spelling of 67919 in words is "sixty-seven thousand, nine hundred nineteen".