74539919629 has 16 divisors (see below), whose sum is σ = 87208823680. Its totient is φ = 62377439040.

The previous prime is 74539919603. The next prime is 74539919677. The reversal of 74539919629 is 92691993547.

It is a happy number.

It is not a de Polignac number, because 74539919629 - 2⁹ = 74539919117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74539919029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628399 + ... + 737539.

It is an arithmetic number, because the mean of its divisors is an integer number (5450551480).

Almost surely, 2^74539919629 is an apocalyptic number.

It is an amenable number.

74539919629 is a deficient number, since it is larger than the sum of its proper divisors (12668904051).

74539919629 is a wasteful number, since it uses less digits than its factorization.

74539919629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111460.

The product of its digits is 33067440, while the sum is 64.

The spelling of 74539919629 in words is "seventy-four billion, five hundred thirty-nine million, nine hundred nineteen thousand, six hundred twenty-nine".