67919423 has 16 divisors (see below), whose sum is σ = 80207232. Its totient is φ = 56700000.

The previous prime is 67919417. The next prime is 67919459. The reversal of 67919423 is 32491976.

It is a cyclic number.

It is not a de Polignac number, because 67919423 - 2¹⁸ = 67657279 is a prime.

It is a super-2 number, since 2×67919423² = 9226096041305858, 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 (67919323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29048 + ... + 31298.

It is an arithmetic number, because the mean of its divisors is an integer number (5012952).

Almost surely, 2^67919423 is an apocalyptic number.

67919423 is a deficient number, since it is larger than the sum of its proper divisors (12287809).

67919423 is a wasteful number, since it uses less digits than its factorization.

67919423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486.

The product of its digits is 81648, while the sum is 41.

The square root of 67919423 is about 8241.3241047783. The cubic root of 67919423 is about 408.0042270964.

It can be divided in two parts, 679 and 19423, that added together give a palindrome (20102).

The spelling of 67919423 in words is "sixty-seven million, nine hundred nineteen thousand, four hundred twenty-three".