74483688889 has 3 divisors (see below), whose sum is σ = 74483961807. Its totient is φ = 74483415972.

The previous prime is 74483688887. The next prime is 74483688947. The reversal of 74483688889 is 98888638447.

The square root of 74483688889 is 272917.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98888638447 = 260849 ⋅379103.

It can be written as a sum of positive squares in only one way, i.e., 29160685225 + 45323003664 = 170765^2 + 212892^2 .

It is not a de Polignac number, because 74483688889 - 2¹ = 74483688887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74483688887) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 136459 + ... + 409375.

It is an arithmetic number, because the mean of its divisors is an integer number (24827987269).

Almost surely, 2^74483688889 is an apocalyptic number.

74483688889 is the 272917-th square number.

74483688889 is the 136459-th centered octagonal number.

It is an amenable number.

74483688889 is a deficient number, since it is larger than the sum of its proper divisors (272918).

74483688889 is an frugal number, since it uses more digits than its factorization.

74483688889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545834 (or 272917 counting only the distinct ones).

The product of its digits is 594542592, while the sum is 73.

The spelling of 74483688889 in words is "seventy-four billion, four hundred eighty-three million, six hundred eighty-eight thousand, eight hundred eighty-nine".