74164229 has 2 divisors, whose sum is σ = 74164230. Its totient is φ = 74164228.

The previous prime is 74164193. The next prime is 74164231. The reversal of 74164229 is 92246147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61984129 + 12180100 = 7873^2 + 3490^2 .

It is a cyclic number.

It is not a de Polignac number, because 74164229 - 2²⁴ = 57387013 is a prime.

Together with 74164231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74164249) 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 as a sum of consecutive naturals, namely, 37082114 + 37082115.

It is an arithmetic number, because the mean of its divisors is an integer number (37082115).

Almost surely, 2^74164229 is an apocalyptic number.

It is an amenable number.

74164229 is a deficient number, since it is larger than the sum of its proper divisors (1).

74164229 is an equidigital number, since it uses as much as digits as its factorization.

74164229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 74164229 is about 8611.8655934704. The cubic root of 74164229 is about 420.1439963548.

The spelling of 74164229 in words is "seventy-four million, one hundred sixty-four thousand, two hundred twenty-nine".