74338243 has 6 divisors (see below), whose sum is σ = 86475156. Its totient is φ = 63718452.

The previous prime is 74338219. The next prime is 74338261. The reversal of 74338243 is 34283347.

It is a happy number.

It is not a de Polignac number, because 74338243 - 2⁵ = 74338211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74338199 and 74338208.

It is not an unprimeable number, because it can be changed into a prime (74338283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 758505 + ... + 758602.

It is an arithmetic number, because the mean of its divisors is an integer number (14412526).

Almost surely, 2^74338243 is an apocalyptic number.

74338243 is a deficient number, since it is larger than the sum of its proper divisors (12136913).

74338243 is a wasteful number, since it uses less digits than its factorization.

74338243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517121 (or 1517114 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 74338243 is about 8621.9628275701. The cubic root of 74338243 is about 420.4723389710.

The spelling of 74338243 in words is "seventy-four million, three hundred thirty-eight thousand, two hundred forty-three".