74273785503 has 16 divisors (see below), whose sum is σ = 99465615360. Its totient is φ = 49298988704.

The previous prime is 74273785477. The next prime is 74273785507. The reversal of 74273785503 is 30558737247.

It is a cyclic number.

It is not a de Polignac number, because 74273785503 - 2²² = 74269591199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74273785507) 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, 7260250 + ... + 7270472.

It is an arithmetic number, because the mean of its divisors is an integer number (6216600960).

Almost surely, 2^74273785503 is an apocalyptic number.

74273785503 is a deficient number, since it is larger than the sum of its proper divisors (25191829857).

74273785503 is a wasteful number, since it uses less digits than its factorization.

74273785503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20598.

The product of its (nonzero) digits is 4939200, while the sum is 51.

The spelling of 74273785503 in words is "seventy-four billion, two hundred seventy-three million, seven hundred eighty-five thousand, five hundred three".