74445606 has 24 divisors (see below), whose sum is σ = 161615064. Its totient is φ = 24766560.

The previous prime is 74445593. The next prime is 74445647. The reversal of 74445606 is 60654447.

74445606 is a `hidden beast` number, since 7 + 4 + 4 + 45 + 606 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6066 + ... + 13626.

It is an arithmetic number, because the mean of its divisors is an integer number (6733961).

Almost surely, 2^74445606 is an apocalyptic number.

74445606 is an abundant number, since it is smaller than the sum of its proper divisors (87169458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74445606 is a wasteful number, since it uses less digits than its factorization.

74445606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8116 (or 8113 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 74445606 is about 8628.1867156431. The cubic root of 74445606 is about 420.6746639774.

The spelling of 74445606 in words is "seventy-four million, four hundred forty-five thousand, six hundred six".