74685229 has 2 divisors, whose sum is σ = 74685230. Its totient is φ = 74685228.

The previous prime is 74685217. The next prime is 74685253. The reversal of 74685229 is 92258647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74425129 + 260100 = 8627^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 74685229 - 2⁹ = 74684717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74685529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37342614 + 37342615.

It is an arithmetic number, because the mean of its divisors is an integer number (37342615).

Almost surely, 2^74685229 is an apocalyptic number.

It is an amenable number.

74685229 is a deficient number, since it is larger than the sum of its proper divisors (1).

74685229 is an equidigital number, since it uses as much as digits as its factorization.

74685229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 74685229 is about 8642.0616174614. The cubic root of 74685229 is about 421.1255317062.

The spelling of 74685229 in words is "seventy-four million, six hundred eighty-five thousand, two hundred twenty-nine".