74090305 has 8 divisors (see below), whose sum is σ = 88958592. Its totient is φ = 59238768.

The previous prime is 74090299. The next prime is 74090311. The reversal of 74090305 is 50309047.

It is an interprime number because it is at equal distance from previous prime (74090299) and next prime (74090311).

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 74090305 - 2¹¹ = 74088257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9802 + ... + 15628.

It is an arithmetic number, because the mean of its divisors is an integer number (11119824).

Almost surely, 2^74090305 is an apocalyptic number.

It is an amenable number.

74090305 is a deficient number, since it is larger than the sum of its proper divisors (14868287).

74090305 is a wasteful number, since it uses less digits than its factorization.

74090305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 74090305 is about 8607.5725381782. The cubic root of 74090305 is about 420.0043555860.

The spelling of 74090305 in words is "seventy-four million, ninety thousand, three hundred five".