74496309 has 8 divisors (see below), whose sum is σ = 99469440. Its totient is φ = 49593696.

The previous prime is 74496277. The next prime is 74496319. The reversal of 74496309 is 90369447.

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

It is not a de Polignac number, because 74496309 - 2⁵ = 74496277 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74496319) 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, 15112 + ... + 19425.

It is an arithmetic number, because the mean of its divisors is an integer number (12433680).

Almost surely, 2^74496309 is an apocalyptic number.

It is an amenable number.

74496309 is a deficient number, since it is larger than the sum of its proper divisors (24973131).

74496309 is a wasteful number, since it uses less digits than its factorization.

74496309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35259.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 74496309 is about 8631.1244342785. The cubic root of 74496309 is about 420.7701458921.

The spelling of 74496309 in words is "seventy-four million, four hundred ninety-six thousand, three hundred nine".