67390814 has 8 divisors (see below), whose sum is σ = 101813880. Its totient is φ = 33452856.

The previous prime is 67390793. The next prime is 67390819. The reversal of 67390814 is 41809376.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67390819) 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, 120929 + ... + 121484.

It is an arithmetic number, because the mean of its divisors is an integer number (12726735).

Almost surely, 2^67390814 is an apocalyptic number.

67390814 is a deficient number, since it is larger than the sum of its proper divisors (34423066).

67390814 is a wasteful number, since it uses less digits than its factorization.

67390814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242554.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 67390814 is about 8209.1908249230. The cubic root of 67390814 is about 406.9429859345.

The spelling of 67390814 in words is "sixty-seven million, three hundred ninety thousand, eight hundred fourteen".