67996099 has 4 divisors (see below), whose sum is σ = 68238360. Its totient is φ = 67753840.

The previous prime is 67996091. The next prime is 67996133. The reversal of 67996099 is 99069976.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67996099 - 2³ = 67996091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67996091) by changing a digit.

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, 120709 + ... + 121270.

It is an arithmetic number, because the mean of its divisors is an integer number (17059590).

Almost surely, 2^67996099 is an apocalyptic number.

67996099 is a deficient number, since it is larger than the sum of its proper divisors (242261).

67996099 is a wasteful number, since it uses less digits than its factorization.

67996099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242260.

The product of its (nonzero) digits is 1653372, while the sum is 55.

The square root of 67996099 is about 8245.9747149746. The cubic root of 67996099 is about 408.1577048775.

It can be divided in two parts, 67 and 996099, that added together give a triangular number (996166 = T₁₄₁₁).

The spelling of 67996099 in words is "sixty-seven million, nine hundred ninety-six thousand, ninety-nine".