74288234 has 8 divisors (see below), whose sum is σ = 112418820. Its totient is φ = 36815296.

The previous prime is 74288191. The next prime is 74288239. The reversal of 74288234 is 43288247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69772609 + 4515625 = 8353^2 + 2125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74288239) 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 3 ways as a sum of consecutive naturals, for example, 164129 + ... + 164580.

Almost surely, 2^74288234 is an apocalyptic number.

74288234 is a deficient number, since it is larger than the sum of its proper divisors (38130586).

74288234 is a wasteful number, since it uses less digits than its factorization.

74288234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328824.

The product of its digits is 86016, while the sum is 38.

The square root of 74288234 is about 8619.0622459755. The cubic root of 74288234 is about 420.3780307688.

The spelling of 74288234 in words is "seventy-four million, two hundred eighty-eight thousand, two hundred thirty-four".