74445329 has 8 divisors (see below), whose sum is σ = 90085248. Its totient is φ = 60056640.

The previous prime is 74445313. The next prime is 74445347. The reversal of 74445329 is 92354447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74445329 - 2⁴ = 74445313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74445292 and 74445301.

It is not an unprimeable number, because it can be changed into a prime (74445359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312677 + ... + 312914.

It is an arithmetic number, because the mean of its divisors is an integer number (11260656).

Almost surely, 2^74445329 is an apocalyptic number.

It is an amenable number.

74445329 is a deficient number, since it is larger than the sum of its proper divisors (15639919).

74445329 is a wasteful number, since it uses less digits than its factorization.

74445329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625615.

The product of its digits is 120960, while the sum is 38.

The square root of 74445329 is about 8628.1706635880. The cubic root of 74445329 is about 420.6741422227.

The spelling of 74445329 in words is "seventy-four million, four hundred forty-five thousand, three hundred twenty-nine".