74240668 has 12 divisors (see below), whose sum is σ = 133090272. Its totient is φ = 36214880.

The previous prime is 74240641. The next prime is 74240687. The reversal of 74240668 is 86604247.

It is a congruent number.

It is an unprimeable number.

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, 226180 + ... + 226507.

It is an arithmetic number, because the mean of its divisors is an integer number (11090856).

Almost surely, 2^74240668 is an apocalyptic number.

It is an amenable number.

74240668 is a deficient number, since it is larger than the sum of its proper divisors (58849604).

74240668 is a wasteful number, since it uses less digits than its factorization.

74240668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452732 (or 452730 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 74240668 is about 8616.3024552299. The cubic root of 74240668 is about 420.2882903548.

The spelling of 74240668 in words is "seventy-four million, two hundred forty thousand, six hundred sixty-eight".