74349409 has 8 divisors (see below), whose sum is σ = 77680512. Its totient is φ = 71026560.

The previous prime is 74349403. The next prime is 74349419. The reversal of 74349409 is 90494347.

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

It is a cyclic number.

It is not a de Polignac number, because 74349409 - 2¹³ = 74341217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74349403) 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, 22929 + ... + 25969.

It is an arithmetic number, because the mean of its divisors is an integer number (9710064).

Almost surely, 2^74349409 is an apocalyptic number.

It is an amenable number.

74349409 is a deficient number, since it is larger than the sum of its proper divisors (3331103).

74349409 is a wasteful number, since it uses less digits than its factorization.

74349409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 74349409 is about 8622.6103356234. The cubic root of 74349409 is about 420.4933903119.

The spelling of 74349409 in words is "seventy-four million, three hundred forty-nine thousand, four hundred nine".