74785158213 has 24 divisors (see below), whose sum is σ = 103803005088. Its totient is φ = 47875085856.

The previous prime is 74785158199. The next prime is 74785158233. The reversal of 74785158213 is 31285158747.

It is not a de Polignac number, because 74785158213 - 2¹⁰ = 74785157189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74785158233) 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 23 ways as a sum of consecutive naturals, for example, 244770 + ... + 457692.

It is an arithmetic number, because the mean of its divisors is an integer number (4325125212).

Almost surely, 2^74785158213 is an apocalyptic number.

It is an amenable number.

74785158213 is a deficient number, since it is larger than the sum of its proper divisors (29017846875).

74785158213 is a wasteful number, since it uses less digits than its factorization.

74785158213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213073 (or 213026 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 51.

The spelling of 74785158213 in words is "seventy-four billion, seven hundred eighty-five million, one hundred fifty-eight thousand, two hundred thirteen".