67344499 has 4 divisors (see below), whose sum is σ = 67697280. Its totient is φ = 66991720.

The previous prime is 67344479. The next prime is 67344523. The reversal of 67344499 is 99444376.

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 67344499 - 2¹⁹ = 66820211 is a prime.

It is a super-2 number, since 2×67344499² = 9070563091122002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67344449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176104 + ... + 176485.

It is an arithmetic number, because the mean of its divisors is an integer number (16924320).

Almost surely, 2^67344499 is an apocalyptic number.

67344499 is a deficient number, since it is larger than the sum of its proper divisors (352781).

67344499 is a wasteful number, since it uses less digits than its factorization.

67344499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352780.

The product of its digits is 653184, while the sum is 46.

The square root of 67344499 is about 8206.3694164959. The cubic root of 67344499 is about 406.8497393793.

The spelling of 67344499 in words is "sixty-seven million, three hundred forty-four thousand, four hundred ninety-nine".