74214149 has 2 divisors, whose sum is σ = 74214150. Its totient is φ = 74214148.

The previous prime is 74214143. The next prime is 74214157. The reversal of 74214149 is 94141247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37429924 + 36784225 = 6118^2 + 6065^2 .

It is an emirp because it is prime and its reverse (94141247) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74214149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74214143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37107074 + 37107075.

It is an arithmetic number, because the mean of its divisors is an integer number (37107075).

Almost surely, 2^74214149 is an apocalyptic number.

It is an amenable number.

74214149 is a deficient number, since it is larger than the sum of its proper divisors (1).

74214149 is an equidigital number, since it uses as much as digits as its factorization.

74214149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 74214149 is about 8614.7634326196. The cubic root of 74214149 is about 420.2382416290.

The spelling of 74214149 in words is "seventy-four million, two hundred fourteen thousand, one hundred forty-nine".