67009814 has 8 divisors (see below), whose sum is σ = 100550160. Its totient is φ = 33493096.

The previous prime is 67009799. The next prime is 67009819. The reversal of 67009814 is 41890076.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67009819) 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, 5927 + ... + 13005.

It is an arithmetic number, because the mean of its divisors is an integer number (12568770).

Almost surely, 2^67009814 is an apocalyptic number.

67009814 is a deficient number, since it is larger than the sum of its proper divisors (33540346).

67009814 is a wasteful number, since it uses less digits than its factorization.

67009814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11814.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 67009814 is about 8185.9522353847. The cubic root of 67009814 is about 406.1746399386.

The spelling of 67009814 in words is "sixty-seven million, nine thousand, eight hundred fourteen".