74505329 has 2 divisors, whose sum is σ = 74505330. Its totient is φ = 74505328.

The previous prime is 74505313. The next prime is 74505397. The reversal of 74505329 is 92350547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72709729 + 1795600 = 8527^2 + 1340^2 .

It is an emirp because it is prime and its reverse (92350547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74505329 - 2⁴ = 74505313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74505029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37252664 + 37252665.

It is an arithmetic number, because the mean of its divisors is an integer number (37252665).

Almost surely, 2^74505329 is an apocalyptic number.

It is an amenable number.

74505329 is a deficient number, since it is larger than the sum of its proper divisors (1).

74505329 is an equidigital number, since it uses as much as digits as its factorization.

74505329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 74505329 is about 8631.6469459773. The cubic root of 74505329 is about 420.7871274652.

The spelling of 74505329 in words is "seventy-four million, five hundred five thousand, three hundred twenty-nine".