74944393143 has 16 divisors (see below), whose sum is σ = 104072011776. Its totient is φ = 47927890080.

The previous prime is 74944393133. The next prime is 74944393157. The reversal of 74944393143 is 34139344947.

It is not a de Polignac number, because 74944393143 - 2¹⁰ = 74944392119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74944393103) 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, 4746871 + ... + 4762632.

It is an arithmetic number, because the mean of its divisors is an integer number (6504500736).

Almost surely, 2^74944393143 is an apocalyptic number.

74944393143 is a deficient number, since it is larger than the sum of its proper divisors (29127618633).

74944393143 is a wasteful number, since it uses less digits than its factorization.

74944393143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509614.

The product of its digits is 3919104, while the sum is 51.

The spelling of 74944393143 in words is "seventy-four billion, nine hundred forty-four million, three hundred ninety-three thousand, one hundred forty-three".