74393612 has 24 divisors (see below), whose sum is σ = 133632576. Its totient is φ = 36218448.

The previous prime is 74393611. The next prime is 74393681. The reversal of 74393612 is 21639347.

It is not an unprimeable number, because it can be changed into a prime (74393611) 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 7 ways as a sum of consecutive naturals, for example, 89543 + ... + 90369.

It is an arithmetic number, because the mean of its divisors is an integer number (5568024).

Almost surely, 2^74393612 is an apocalyptic number.

It is an amenable number.

74393612 is a deficient number, since it is larger than the sum of its proper divisors (59238964).

74393612 is a wasteful number, since it uses less digits than its factorization.

74393612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1395 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 74393612 is about 8625.1731576821. The cubic root of 74393612 is about 420.5767058678.

The spelling of 74393612 in words is "seventy-four million, three hundred ninety-three thousand, six hundred twelve".