74120996943 has 64 divisors (see below), whose sum is σ = 133625088000. Its totient is φ = 40513223520.

The previous prime is 74120996909. The next prime is 74120996953. The reversal of 74120996943 is 34969902147.

It is not a de Polignac number, because 74120996943 - 2⁹ = 74120996431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74120996943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74120996903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39013 + ... + 386993.

It is an arithmetic number, because the mean of its divisors is an integer number (2087892000).

Almost surely, 2^74120996943 is an apocalyptic number.

74120996943 is a deficient number, since it is larger than the sum of its proper divisors (59504091057).

74120996943 is a wasteful number, since it uses less digits than its factorization.

74120996943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348034 (or 348014 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 74120996943 in words is "seventy-four billion, one hundred twenty million, nine hundred ninety-six thousand, nine hundred forty-three".