74484387 has 16 divisors (see below), whose sum is σ = 111364000. Its totient is φ = 49198752.

The previous prime is 74484379. The next prime is 74484437. The reversal of 74484387 is 78348447.

It is not a de Polignac number, because 74484387 - 2³ = 74484379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74484187) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9712 + ... + 15597.

It is an arithmetic number, because the mean of its divisors is an integer number (6960250).

Almost surely, 2^74484387 is an apocalyptic number.

74484387 is a deficient number, since it is larger than the sum of its proper divisors (36879613).

74484387 is a wasteful number, since it uses less digits than its factorization.

74484387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25427 (or 25421 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 74484387 is about 8630.4337666191. The cubic root of 74484387 is about 420.7476987428.

The spelling of 74484387 in words is "seventy-four million, four hundred eighty-four thousand, three hundred eighty-seven".