74435009 has 8 divisors (see below), whose sum is σ = 83396928. Its totient is φ = 65838960.

The previous prime is 74435003. The next prime is 74435029. The reversal of 74435009 is 90053447.

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

It is a de Polignac number, because none of the positive numbers 2^k-74435009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74435003) 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, 91037 + ... + 91850.

It is an arithmetic number, because the mean of its divisors is an integer number (10424616).

Almost surely, 2^74435009 is an apocalyptic number.

It is an amenable number.

74435009 is a deficient number, since it is larger than the sum of its proper divisors (8961919).

74435009 is a wasteful number, since it uses less digits than its factorization.

74435009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182935.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 74435009 is about 8627.5726018388. The cubic root of 74435009 is about 420.6547026428.

It can be divided in two parts, 744 and 35009, that added together give a palindrome (35753).

The spelling of 74435009 in words is "seventy-four million, four hundred thirty-five thousand, nine".