67344261 has 8 divisors (see below), whose sum is σ = 90929280. Its totient is φ = 44327712.

The previous prime is 67344257. The next prime is 67344283. The reversal of 67344261 is 16244376.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67344261 - 2² = 67344257 is a prime.

It is a super-2 number, since 2×67344261² = 9070498979272242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67344461) 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 7 ways as a sum of consecutive naturals, for example, 141840 + ... + 142313.

It is an arithmetic number, because the mean of its divisors is an integer number (11366160).

Almost surely, 2^67344261 is an apocalyptic number.

It is an amenable number.

67344261 is a deficient number, since it is larger than the sum of its proper divisors (23585019).

67344261 is a wasteful number, since it uses less digits than its factorization.

67344261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284235.

The product of its digits is 24192, while the sum is 33.

The square root of 67344261 is about 8206.3549155517. The cubic root of 67344261 is about 406.8492601006.

The spelling of 67344261 in words is "sixty-seven million, three hundred forty-four thousand, two hundred sixty-one".