74259009 has 24 divisors (see below), whose sum is σ = 123900192. Its totient is φ = 42357120.

The previous prime is 74258999. The next prime is 74259047. The reversal of 74259009 is 90095247.

It is not a de Polignac number, because 74259009 - 2¹¹ = 74256961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74219009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20379 + ... + 23744.

It is an arithmetic number, because the mean of its divisors is an integer number (5162508).

Almost surely, 2^74259009 is an apocalyptic number.

It is an amenable number.

74259009 is a deficient number, since it is larger than the sum of its proper divisors (49641183).

74259009 is a wasteful number, since it uses less digits than its factorization.

74259009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44157 (or 44154 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 74259009 is about 8617.3667091519. The cubic root of 74259009 is about 420.3228979494.

The spelling of 74259009 in words is "seventy-four million, two hundred fifty-nine thousand, nine".