67998303 has 6 divisors (see below), whose sum is σ = 98219784. Its totient is φ = 45332196.

The previous prime is 67998299. The next prime is 67998313. The reversal of 67998303 is 30389976.

It is a happy number.

It is not a de Polignac number, because 67998303 - 2² = 67998299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67998313) 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 5 ways as a sum of consecutive naturals, for example, 3777675 + ... + 3777692.

It is an arithmetic number, because the mean of its divisors is an integer number (16369964).

Almost surely, 2^67998303 is an apocalyptic number.

67998303 is a deficient number, since it is larger than the sum of its proper divisors (30221481).

67998303 is a wasteful number, since it uses less digits than its factorization.

67998303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555373 (or 7555370 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 67998303 is about 8246.1083548544. The cubic root of 67998303 is about 408.1621147867.

The spelling of 67998303 in words is "sixty-seven million, nine hundred ninety-eight thousand, three hundred three".