74584229 has 2 divisors, whose sum is σ = 74584230. Its totient is φ = 74584228.

The previous prime is 74584187. The next prime is 74584241. The reversal of 74584229 is 92248547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39715204 + 34869025 = 6302^2 + 5905^2 .

It is an emirp because it is prime and its reverse (92248547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74584229 - 2¹² = 74580133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74584129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37292114 + 37292115.

It is an arithmetic number, because the mean of its divisors is an integer number (37292115).

Almost surely, 2^74584229 is an apocalyptic number.

It is an amenable number.

74584229 is a deficient number, since it is larger than the sum of its proper divisors (1).

74584229 is an equidigital number, since it uses as much as digits as its factorization.

74584229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 74584229 is about 8636.2161274484. The cubic root of 74584229 is about 420.9356107671.

The spelling of 74584229 in words is "seventy-four million, five hundred eighty-four thousand, two hundred twenty-nine".