74232117 has 6 divisors (see below), whose sum is σ = 107224182. Its totient is φ = 49488072.

The previous prime is 74232091. The next prime is 74232127. The reversal of 74232117 is 71123247.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68657796 + 5574321 = 8286^2 + 2361^2 .

It is a de Polignac number, because none of the positive numbers 2^k-74232117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74232127) 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 5 ways as a sum of consecutive naturals, for example, 4123998 + ... + 4124015.

It is an arithmetic number, because the mean of its divisors is an integer number (17870697).

Almost surely, 2^74232117 is an apocalyptic number.

It is an amenable number.

74232117 is a deficient number, since it is larger than the sum of its proper divisors (32992065).

74232117 is a wasteful number, since it uses less digits than its factorization.

74232117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248019 (or 8248016 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 74232117 is about 8615.8062304116. The cubic root of 74232117 is about 420.2721535426.

The spelling of 74232117 in words is "seventy-four million, two hundred thirty-two thousand, one hundred seventeen".