67968231 has 8 divisors (see below), whose sum is σ = 91094640. Its totient is φ = 45076992.

The previous prime is 67968221. The next prime is 67968247. The reversal of 67968231 is 13286976.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67968231 - 2⁶ = 67968167 is a prime.

It is a super-2 number, since 2×67968231² = 9239360850538722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67968211) 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 7 ways as a sum of consecutive naturals, for example, 58116 + ... + 59273.

It is an arithmetic number, because the mean of its divisors is an integer number (11386830).

Almost surely, 2^67968231 is an apocalyptic number.

67968231 is a deficient number, since it is larger than the sum of its proper divisors (23126409).

67968231 is a wasteful number, since it uses less digits than its factorization.

67968231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117585.

The product of its digits is 108864, while the sum is 42.

The square root of 67968231 is about 8244.2847476297. The cubic root of 67968231 is about 408.1019365154.

The spelling of 67968231 in words is "sixty-seven million, nine hundred sixty-eight thousand, two hundred thirty-one".