74445605 has 16 divisors (see below), whose sum is σ = 97372800. Its totient is φ = 54308928.

The previous prime is 74445593. The next prime is 74445647. The reversal of 74445605 is 50654447.

It is a cyclic number.

It is not a de Polignac number, because 74445605 - 2⁴ = 74445589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505 + ... + 12294.

It is an arithmetic number, because the mean of its divisors is an integer number (6085800).

Almost surely, 2^74445605 is an apocalyptic number.

It is an amenable number.

74445605 is a deficient number, since it is larger than the sum of its proper divisors (22927195).

74445605 is a wasteful number, since it uses less digits than its factorization.

74445605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13900.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 74445605 is about 8628.1866576935. The cubic root of 74445605 is about 420.6746620938.

The spelling of 74445605 in words is "seventy-four million, four hundred forty-five thousand, six hundred five".