74528012 has 24 divisors (see below), whose sum is σ = 141414000. Its totient is φ = 34163136.

The previous prime is 74527969. The next prime is 74528021. The reversal of 74528012 is 21082547.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2939 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (5892250).

Almost surely, 2^74528012 is an apocalyptic number.

It is an amenable number.

74528012 is a deficient number, since it is larger than the sum of its proper divisors (66885988).

74528012 is a wasteful number, since it uses less digits than its factorization.

74528012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785 (or 9783 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 74528012 is about 8632.9607899028. The cubic root of 74528012 is about 420.8298257351.

The spelling of 74528012 in words is "seventy-four million, five hundred twenty-eight thousand, twelve".