74029992 has 16 divisors (see below), whose sum is σ = 185075040. Its totient is φ = 24676656.

The previous prime is 74029981. The next prime is 74029999. The reversal of 74029992 is 29992047.

It is not an unprimeable number, because it can be changed into a prime (74029999) 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, 1542268 + ... + 1542315.

It is an arithmetic number, because the mean of its divisors is an integer number (11567190).

Almost surely, 2^74029992 is an apocalyptic number.

It is an amenable number.

74029992 is an abundant number, since it is smaller than the sum of its proper divisors (111045048).

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

74029992 is a wasteful number, since it uses less digits than its factorization.

74029992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084592 (or 3084588 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 74029992 is about 8604.0683400354. The cubic root of 74029992 is about 419.8903568671.

The spelling of 74029992 in words is "seventy-four million, twenty-nine thousand, nine hundred ninety-two".