74544003 has 8 divisors (see below), whose sum is σ = 110435600. Its totient is φ = 49695984.

The previous prime is 74543947. The next prime is 74544017. The reversal of 74544003 is 30044547.

It is not a de Polignac number, because 74544003 - 2²⁰ = 73495427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2760889 = 74544003 / (7 + 4 + 5 + 4 + 4 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74544073) 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, 1380418 + ... + 1380471.

It is an arithmetic number, because the mean of its divisors is an integer number (13804450).

Almost surely, 2^74544003 is an apocalyptic number.

74544003 is a deficient number, since it is larger than the sum of its proper divisors (35891597).

74544003 is a wasteful number, since it uses less digits than its factorization.

74544003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760898 (or 2760892 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 74544003 is about 8633.8868998847. The cubic root of 74544003 is about 420.8599218396.

The spelling of 74544003 in words is "seventy-four million, five hundred forty-four thousand, three".