67430213 has 4 divisors (see below), whose sum is σ = 68283840. Its totient is φ = 66576588.

The previous prime is 67430203. The next prime is 67430219. The reversal of 67430213 is 31203476.

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 67430213 - 2⁴ = 67430197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67430219) 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, 426695 + ... + 426852.

It is an arithmetic number, because the mean of its divisors is an integer number (17070960).

Almost surely, 2^67430213 is an apocalyptic number.

It is an amenable number.

67430213 is a deficient number, since it is larger than the sum of its proper divisors (853627).

67430213 is an equidigital number, since it uses as much as digits as its factorization.

67430213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853626.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 67430213 is about 8211.5901626908. The cubic root of 67430213 is about 407.0222747983.

Adding to 67430213 its reverse (31203476), we get a palindrome (98633689).

The spelling of 67430213 in words is "sixty-seven million, four hundred thirty thousand, two hundred thirteen".