74642116 has 12 divisors (see below), whose sum is σ = 130751488. Its totient is φ = 37284552.

The previous prime is 74642093. The next prime is 74642119. The reversal of 74642116 is 61124647.

It is not an unprimeable number, because it can be changed into a prime (74642119) 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 3 ways as a sum of consecutive naturals, for example, 4236 + ... + 12931.

Almost surely, 2^74642116 is an apocalyptic number.

It is an amenable number.

74642116 is a deficient number, since it is larger than the sum of its proper divisors (56109372).

74642116 is a wasteful number, since it uses less digits than its factorization.

74642116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258 (or 18256 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 74642116 is about 8639.5668872924. The cubic root of 74642116 is about 421.0444827491.

The spelling of 74642116 in words is "seventy-four million, six hundred forty-two thousand, one hundred sixteen".