74374605 has 40 divisors (see below), whose sum is σ = 133947000. Its totient is φ = 39481344.

The previous prime is 74374583. The next prime is 74374613. The reversal of 74374605 is 50647347.

74374605 is a `hidden beast` number, since 7 + 43 + 7 + 4 + 605 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25220484 + 49154121 = 5022^2 + 7011^2 .

It is not a de Polignac number, because 74374605 - 2¹² = 74370509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74374605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 165421 + ... + 165869.

It is an arithmetic number, because the mean of its divisors is an integer number (3348675).

Almost surely, 2^74374605 is an apocalyptic number.

It is an amenable number.

74374605 is a deficient number, since it is larger than the sum of its proper divisors (59572395).

74374605 is a wasteful number, since it uses less digits than its factorization.

74374605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 74374605 is about 8624.0712543439. The cubic root of 74374605 is about 420.5408847709.

The spelling of 74374605 in words is "seventy-four million, three hundred seventy-four thousand, six hundred five".