74089427 has 8 divisors (see below), whose sum is σ = 75660480. Its totient is φ = 72529000.

The previous prime is 74089397. The next prime is 74089453. The reversal of 74089427 is 72498047.

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 74089427 - 2¹⁶ = 74023891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74089487) 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, 12308 + ... + 17310.

It is an arithmetic number, because the mean of its divisors is an integer number (9457560).

Almost surely, 2^74089427 is an apocalyptic number.

74089427 is a deficient number, since it is larger than the sum of its proper divisors (1571053).

74089427 is a wasteful number, since it uses less digits than its factorization.

74089427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 74089427 is about 8607.5215364238. The cubic root of 74089427 is about 420.0026965057.

The spelling of 74089427 in words is "seventy-four million, eighty-nine thousand, four hundred twenty-seven".