74555580903 has 4 divisors (see below), whose sum is σ = 99407441208. Its totient is φ = 49703720600.

The previous prime is 74555580889. The next prime is 74555580907. The reversal of 74555580903 is 30908555547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30908555547 = 3 ⋅10302851849.

It is a cyclic number.

It is not a de Polignac number, because 74555580903 - 2⁴ = 74555580887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74555580907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12425930148 + ... + 12425930153.

It is an arithmetic number, because the mean of its divisors is an integer number (24851860302).

Almost surely, 2^74555580903 is an apocalyptic number.

74555580903 is a deficient number, since it is larger than the sum of its proper divisors (24851860305).

74555580903 is a wasteful number, since it uses less digits than its factorization.

74555580903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24851860304.

The product of its (nonzero) digits is 3780000, while the sum is 51.

The spelling of 74555580903 in words is "seventy-four billion, five hundred fifty-five million, five hundred eighty thousand, nine hundred three".