74143916 has 24 divisors (see below), whose sum is σ = 161769216. Its totient is φ = 28887120.

The previous prime is 74143913. The next prime is 74143921. The reversal of 74143916 is 61934147.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74143913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120056 + ... + 120671.

It is an arithmetic number, because the mean of its divisors is an integer number (6740384).

Almost surely, 2^74143916 is an apocalyptic number.

It is an amenable number.

74143916 is an abundant number, since it is smaller than the sum of its proper divisors (87625300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74143916 is a wasteful number, since it uses less digits than its factorization.

74143916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240749 (or 240747 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 74143916 is about 8610.6861515213. The cubic root of 74143916 is about 420.1056348051.

The spelling of 74143916 in words is "seventy-four million, one hundred forty-three thousand, nine hundred sixteen".