67968489 has 8 divisors (see below), whose sum is σ = 93749760. Its totient is φ = 43749776.

The previous prime is 67968487. The next prime is 67968497. The reversal of 67968489 is 98486976.

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

It is a cyclic number.

It is not a de Polignac number, because 67968489 - 2¹ = 67968487 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67968487) 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, 390537 + ... + 390710.

It is an arithmetic number, because the mean of its divisors is an integer number (11718720).

Almost surely, 2^67968489 is an apocalyptic number.

It is an amenable number.

67968489 is a deficient number, since it is larger than the sum of its proper divisors (25781271).

67968489 is a wasteful number, since it uses less digits than its factorization.

67968489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781279.

The product of its digits is 5225472, while the sum is 57.

The square root of 67968489 is about 8244.3003948182. The cubic root of 67968489 is about 408.1024528849.

The spelling of 67968489 in words is "sixty-seven million, nine hundred sixty-eight thousand, four hundred eighty-nine".