74330018 has 16 divisors (see below), whose sum is σ = 134918784. Its totient is φ = 29981760.

The previous prime is 74330017. The next prime is 74330021. The reversal of 74330018 is 81003347.

It is not an unprimeable number, because it can be changed into a prime (74330017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155918 + ... + 156393.

It is an arithmetic number, because the mean of its divisors is an integer number (8432424).

Almost surely, 2^74330018 is an apocalyptic number.

74330018 is a deficient number, since it is larger than the sum of its proper divisors (60588766).

74330018 is a wasteful number, since it uses less digits than its factorization.

74330018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312337.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 74330018 is about 8621.4858348199. The cubic root of 74330018 is about 420.4568309704.

The spelling of 74330018 in words is "seventy-four million, three hundred thirty thousand, eighteen".