74109045 has 16 divisors (see below), whose sum is σ = 118742400. Its totient is φ = 39468864.

The previous prime is 74109041. The next prime is 74109047. The reversal of 74109045 is 54090147.

It is a happy number.

It is not a de Polignac number, because 74109045 - 2² = 74109041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74109041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8856 + ... + 15054.

It is an arithmetic number, because the mean of its divisors is an integer number (7421400).

Almost surely, 2^74109045 is an apocalyptic number.

It is an amenable number.

74109045 is a deficient number, since it is larger than the sum of its proper divisors (44633355).

74109045 is a wasteful number, since it uses less digits than its factorization.

74109045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 74109045 is about 8608.6610457144. The cubic root of 74109045 is about 420.0397638089.

The spelling of 74109045 in words is "seventy-four million, one hundred nine thousand, forty-five".