67890336 has 24 divisors (see below), whose sum is σ = 178212384. Its totient is φ = 22630080.

The previous prime is 67890313. The next prime is 67890349. The reversal of 67890336 is 63309876.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

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, 353500 + ... + 353691.

It is an arithmetic number, because the mean of its divisors is an integer number (7425516).

Almost surely, 2^67890336 is an apocalyptic number.

It is an amenable number.

67890336 is an abundant number, since it is smaller than the sum of its proper divisors (110322048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67890336 is a wasteful number, since it uses less digits than its factorization.

67890336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707204 (or 707196 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 67890336 is about 8239.5592115113. The cubic root of 67890336 is about 407.9459751612.

Adding to 67890336 its sum of digits (42), we get a triangular number (67890378 = T₁₁₆₅₂).

The spelling of 67890336 in words is "sixty-seven million, eight hundred ninety thousand, three hundred thirty-six".