74699409 has 8 divisors (see below), whose sum is σ = 100626400. Its totient is φ = 49286016.

The previous prime is 74699407. The next prime is 74699413. The reversal of 74699409 is 90499647.

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

It is not a de Polignac number, because 74699409 - 2¹ = 74699407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74699407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128059 + ... + 128640.

It is an arithmetic number, because the mean of its divisors is an integer number (12578300).

Almost surely, 2^74699409 is an apocalyptic number.

It is an amenable number.

74699409 is a deficient number, since it is larger than the sum of its proper divisors (25926991).

74699409 is a wasteful number, since it uses less digits than its factorization.

74699409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256799.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 74699409 is about 8642.8819846160. The cubic root of 74699409 is about 421.1521821440.

The spelling of 74699409 in words is "seventy-four million, six hundred ninety-nine thousand, four hundred nine".