67749361333 has 8 divisors (see below), whose sum is σ = 71848313280. Its totient is φ = 63663042240.

The previous prime is 67749361319. The next prime is 67749361343. The reversal of 67749361333 is 33316394776.

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 67749361333 - 2⁵ = 67749361301 is a prime.

It is a super-3 number, since 3×67749361333³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67749361343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3147163 + ... + 3168616.

It is an arithmetic number, because the mean of its divisors is an integer number (8981039160).

Almost surely, 2^67749361333 is an apocalyptic number.

It is an amenable number.

67749361333 is a deficient number, since it is larger than the sum of its proper divisors (4098951947).

67749361333 is a wasteful number, since it uses less digits than its factorization.

67749361333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316427.

The product of its digits is 5143824, while the sum is 52.

The spelling of 67749361333 in words is "sixty-seven billion, seven hundred forty-nine million, three hundred sixty-one thousand, three hundred thirty-three".