67414189 has 4 divisors (see below), whose sum is σ = 67560256. Its totient is φ = 67268124.

The previous prime is 67414187. The next prime is 67414199. The reversal of 67414189 is 98141476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67414189 - 2¹ = 67414187 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67414187) 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, 72339 + ... + 73264.

It is an arithmetic number, because the mean of its divisors is an integer number (16890064).

Almost surely, 2^67414189 is an apocalyptic number.

It is an amenable number.

67414189 is a deficient number, since it is larger than the sum of its proper divisors (146067).

67414189 is a wasteful number, since it uses less digits than its factorization.

67414189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146066.

The product of its digits is 48384, while the sum is 40.

The square root of 67414189 is about 8210.6144106273. The cubic root of 67414189 is about 406.9900308859.

The spelling of 67414189 in words is "sixty-seven million, four hundred fourteen thousand, one hundred eighty-nine".