74668603 has 4 divisors (see below), whose sum is σ = 77915088. Its totient is φ = 71422120.

The previous prime is 74668589. The next prime is 74668609. The reversal of 74668603 is 30686647.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74668603 - 2⁹ = 74668091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74668609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623208 + ... + 1623253.

It is an arithmetic number, because the mean of its divisors is an integer number (19478772).

Almost surely, 2^74668603 is an apocalyptic number.

74668603 is a deficient number, since it is larger than the sum of its proper divisors (3246485).

74668603 is a wasteful number, since it uses less digits than its factorization.

74668603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246484.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 74668603 is about 8641.0996406707. The cubic root of 74668603 is about 421.0942798652.

The spelling of 74668603 in words is "seventy-four million, six hundred sixty-eight thousand, six hundred three".