74939044209 has 8 divisors (see below), whose sum is σ = 99920371200. Its totient is φ = 49958540016.

The previous prime is 74939044189. The next prime is 74939044261. The reversal of 74939044209 is 90244093947.

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

It is not a de Polignac number, because 74939044209 - 2⁸ = 74939043953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74937044209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53467 + ... + 390815.

It is an arithmetic number, because the mean of its divisors is an integer number (12490046400).

Almost surely, 2^74939044209 is an apocalyptic number.

It is an amenable number.

74939044209 is a deficient number, since it is larger than the sum of its proper divisors (24981326991).

74939044209 is a wasteful number, since it uses less digits than its factorization.

74939044209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411399.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 74939044209 in words is "seventy-four billion, nine hundred thirty-nine million, forty-four thousand, two hundred nine".