74842159 has 18 divisors (see below), whose sum is σ = 91906344. Its totient is φ = 60759720.

The previous prime is 74842139. The next prime is 74842213. The reversal of 74842159 is 95124847.

It is not a de Polignac number, because 74842159 - 2¹⁵ = 74809391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74842139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15574 + ... + 19804.

It is an arithmetic number, because the mean of its divisors is an integer number (5105908).

Almost surely, 2^74842159 is an apocalyptic number.

74842159 is a deficient number, since it is larger than the sum of its proper divisors (17064185).

74842159 is a wasteful number, since it uses less digits than its factorization.

74842159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283 (or 4257 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 74842159 is about 8651.1362837491. The cubic root of 74842159 is about 421.4202843037.

The spelling of 74842159 in words is "seventy-four million, eight hundred forty-two thousand, one hundred fifty-nine".