74245503 has 8 divisors (see below), whose sum is σ = 99146416. Its totient is φ = 49420800.

The previous prime is 74245489. The next prime is 74245513. The reversal of 74245503 is 30554247.

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

It is not a de Polignac number, because 74245503 - 2⁴ = 74245487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74245513) 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, 16738 + ... + 20703.

It is an arithmetic number, because the mean of its divisors is an integer number (12393302).

Almost surely, 2^74245503 is an apocalyptic number.

74245503 is a deficient number, since it is larger than the sum of its proper divisors (24900913).

74245503 is a wasteful number, since it uses less digits than its factorization.

74245503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38105.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 74245503 is about 8616.5830234496. The cubic root of 74245503 is about 420.2974140594.

The spelling of 74245503 in words is "seventy-four million, two hundred forty-five thousand, five hundred three".