74165045 has 4 divisors (see below), whose sum is σ = 88998060. Its totient is φ = 59332032.

The previous prime is 74165011. The next prime is 74165053. The reversal of 74165045 is 54056147.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50438404 + 23726641 = 7102^2 + 4871^2 .

It is a cyclic number.

It is not a de Polignac number, because 74165045 - 2⁸ = 74164789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7416500 + ... + 7416509.

It is an arithmetic number, because the mean of its divisors is an integer number (22249515).

Almost surely, 2^74165045 is an apocalyptic number.

It is an amenable number.

74165045 is a deficient number, since it is larger than the sum of its proper divisors (14833015).

74165045 is a wasteful number, since it uses less digits than its factorization.

74165045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14833014.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 74165045 is about 8611.9129698343. The cubic root of 74165045 is about 420.1455372425.

The spelling of 74165045 in words is "seventy-four million, one hundred sixty-five thousand, forty-five".