74312427 has 8 divisors (see below), whose sum is σ = 113238016. Its totient is φ = 42464232.

The previous prime is 74312383. The next prime is 74312429. The reversal of 74312427 is 72421347.

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

It is not a de Polignac number, because 74312427 - 2⁸ = 74312171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74312394 and 74312403.

It is not an unprimeable number, because it can be changed into a prime (74312429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769323 + ... + 1769364.

It is an arithmetic number, because the mean of its divisors is an integer number (14154752).

Almost surely, 2^74312427 is an apocalyptic number.

74312427 is a deficient number, since it is larger than the sum of its proper divisors (38925589).

74312427 is a wasteful number, since it uses less digits than its factorization.

74312427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538697.

The product of its digits is 9408, while the sum is 30.

The square root of 74312427 is about 8620.4655906743. The cubic root of 74312427 is about 420.4236598064.

The spelling of 74312427 in words is "seventy-four million, three hundred twelve thousand, four hundred twenty-seven".