74065512 has 16 divisors (see below), whose sum is σ = 185163840. Its totient is φ = 24688496.

The previous prime is 74065493. The next prime is 74065517. The reversal of 74065512 is 21556047.

It is a self number, because there is not a number n which added to its sum of digits gives 74065512.

It is not an unprimeable number, because it can be changed into a prime (74065517) 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 3 ways as a sum of consecutive naturals, for example, 1543008 + ... + 1543055.

It is an arithmetic number, because the mean of its divisors is an integer number (11572740).

Almost surely, 2^74065512 is an apocalyptic number.

It is an amenable number.

74065512 is an abundant number, since it is smaller than the sum of its proper divisors (111098328).

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

74065512 is a wasteful number, since it uses less digits than its factorization.

74065512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086072 (or 3086068 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 74065512 is about 8606.1322323097. The cubic root of 74065512 is about 419.9575013688.

The spelling of 74065512 in words is "seventy-four million, sixty-five thousand, five hundred twelve".