74133245 has 16 divisors (see below), whose sum is σ = 92116992. Its totient is φ = 57214080.

The previous prime is 74133229. The next prime is 74133263. The reversal of 74133245 is 54233147.

It is a happy number.

It is not a de Polignac number, because 74133245 - 2⁴ = 74133229 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 71249 + ... + 72281.

It is an arithmetic number, because the mean of its divisors is an integer number (5757312).

Almost surely, 2^74133245 is an apocalyptic number.

It is an amenable number.

74133245 is a deficient number, since it is larger than the sum of its proper divisors (17983747).

74133245 is a wasteful number, since it uses less digits than its factorization.

74133245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its digits is 10080, while the sum is 29.

The square root of 74133245 is about 8610.0664921939. The cubic root of 74133245 is about 420.0854795783.

The spelling of 74133245 in words is "seventy-four million, one hundred thirty-three thousand, two hundred forty-five".