74481393 has 16 divisors (see below), whose sum is σ = 113705856. Its totient is φ = 42481920.

The previous prime is 74481373. The next prime is 74481397. The reversal of 74481393 is 39318447.

It is not a de Polignac number, because 74481393 - 2¹² = 74477297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74481397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9463 + ... + 15443.

It is an arithmetic number, because the mean of its divisors is an integer number (7106616).

Almost surely, 2^74481393 is an apocalyptic number.

It is an amenable number.

74481393 is a deficient number, since it is larger than the sum of its proper divisors (39224463).

74481393 is a wasteful number, since it uses less digits than its factorization.

74481393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6584.

The product of its digits is 72576, while the sum is 39.

The square root of 74481393 is about 8630.2603089362. The cubic root of 74481393 is about 420.7420611609.

The spelling of 74481393 in words is "seventy-four million, four hundred eighty-one thousand, three hundred ninety-three".