74413529 has 4 divisors (see below), whose sum is σ = 74547684. Its totient is φ = 74279376.

The previous prime is 74413489. The next prime is 74413541. The reversal of 74413529 is 92531447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29724304 + 44689225 = 5452^2 + 6685^2 .

It is a cyclic number.

It is not a de Polignac number, because 74413529 - 2¹⁶ = 74347993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74413429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66242 + ... + 67355.

It is an arithmetic number, because the mean of its divisors is an integer number (18636921).

Almost surely, 2^74413529 is an apocalyptic number.

It is an amenable number.

74413529 is a deficient number, since it is larger than the sum of its proper divisors (134155).

74413529 is a wasteful number, since it uses less digits than its factorization.

74413529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134154.

The product of its digits is 30240, while the sum is 35.

The square root of 74413529 is about 8626.3276659306. The cubic root of 74413529 is about 420.6142354289.

The spelling of 74413529 in words is "seventy-four million, four hundred thirteen thousand, five hundred twenty-nine".