67321243 has 8 divisors (see below), whose sum is σ = 75810816. Its totient is φ = 59226600.

The previous prime is 67321229. The next prime is 67321259. The reversal of 67321243 is 34212376.

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

It is a cyclic number.

It is not a de Polignac number, because 67321243 - 2²¹ = 65224091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67321223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98371 + ... + 99052.

It is an arithmetic number, because the mean of its divisors is an integer number (9476352).

Almost surely, 2^67321243 is an apocalyptic number.

67321243 is a deficient number, since it is larger than the sum of its proper divisors (8489573).

67321243 is a wasteful number, since it uses less digits than its factorization.

67321243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197465.

The product of its digits is 6048, while the sum is 28.

The square root of 67321243 is about 8204.9523459920. The cubic root of 67321243 is about 406.8029016667.

The spelling of 67321243 in words is "sixty-seven million, three hundred twenty-one thousand, two hundred forty-three".