67998088 has 16 divisors (see below), whose sum is σ = 127996380. Its totient is φ = 33865728.

The previous prime is 67998083. The next prime is 67998109. The reversal of 67998088 is 88089976.

It can be written as a sum of positive squares in 2 ways, for example, as 61434244 + 6563844 = 7838^2 + 2562^2 .

It is not an unprimeable number, because it can be changed into a prime (67998083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14481 + ... + 18592.

Almost surely, 2^67998088 is an apocalyptic number.

It is an amenable number.

67998088 is a deficient number, since it is larger than the sum of its proper divisors (59998292).

67998088 is a wasteful number, since it uses less digits than its factorization.

67998088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33336 (or 33332 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 67998088 is about 8246.0953183916. The cubic root of 67998088 is about 408.1616846046.

The spelling of 67998088 in words is "sixty-seven million, nine hundred ninety-eight thousand, eighty-eight".